Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
luan nhung » luan chung, luan hung, quan nhung
nhung cong » dung cong, thong cong, hang cong
cach dung » sach dung, cach mang, cac ung
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
anh dung » anh dong, anh huong, sach dung
tac dung » sach dung, xay dung, tin dung
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - ((((cach dung) or (anh dung))) or (tac dung)) luan nhung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((((cach dung) OR (anh dung))) OR (tac dung)) luan nhung cong manh toan cau*.