Perhaps you should try some spelling variations:
"chuong trinh cau dan va cac tap co hoc viet nam" » "cong trinh cau dan va cac tap co hoc viet nam", "chuong trinh chat dan va cac tap co hoc viet nam", "chuong trinh chao dan va cac tap co hoc viet nam", "chuong trinh tu dan va cac tap co hoc viet nam", "chuong trinh cau dan va cac tap co hoc hien nam", "chuong trinh cau danh va cac tap co hoc viet nam", "chuong trinh cac dan va cac tap co hoc viet nam", "chuong trinh ca dan va cac tap co hoc viet nam", "chuong trinh cau dan va cac cap co hoc viet nam", "chuong trinh cau dan va cac tac co hoc viet nam", "chuong trinh cau dan va cac tai co hoc viet nam", "chuong trinh cau doan va cac tap co hoc viet nam", "chuong trinh cau dan ca cac tap co hoc viet nam", "chuong trinh cau ban va cac tap co hoc viet nam"
"chuong trinh may san va cao cap cho hai viet nam" » "cong trinh may san va cao cap cho hai viet nam", "chuong trinh ky san va cao cap cho hai viet nam", "chuong trinh han san va cao cap cho hai viet nam", "chuong trinh ly san va cao cap cho hai viet nam", "chuong trinh may san va cao cap cho thai viet nam", "chuong trinh may san va cao cap cho mai viet nam", "chuong trinh may san va cao cap cho tai viet nam", "chuong trinh may san va cao chat cho hai viet nam", "chuong trinh may san va cao cap pho hai viet nam", "chuong trinh may san va cao cap co hai viet nam", "chuong trinh may san va cao cap cho bai viet nam", "chuong trinh may san van cao cap cho hai viet nam", "chuong trinh may ban va cao cap cho hai viet nam", "chuong trinh may han va cao cap cho hai viet nam", "chuong trinh may san va co cap cho hai viet nam", "chuong trinh may san va dao cap cho hai viet nam", "chuong trinh may san va bao cap cho hai viet nam"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("chuong trinh cau dan va cac tap co hoc viet nam") or ("chuong trinh may san va cao cap cho hai viet nam"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("chuong trinh cau dan va cac tap co hoc viet nam") OR ("chuong trinh may san va cao cap cho hai viet nam")).
• Removing quotes may allow a broader search: (( chuong trinh cau dan va cac tap co hoc viet nam ) or ( chuong trinh may san va cao cap cho hai viet nam )).
• Adding a wildcard symbol may retrieve word variants: (("chuong trinh cau dan va cac tap co hoc viet nam") or ("chuong trinh may san va cao cap cho hai viet nam"))*.