Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
dan than » ban than, van than, dan toan
dan chan » dan ca, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu xanh - hanh trinh cua dung cong ((dan than) or (((dan chan) OR (dan gian)))) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - hanh trinh cua dung cong ((dan than) OR (((dan chan) OR (dan gian)))) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh trinh cua dung cong ((dan than) or (((dan chan) OR (dan gian)))) cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh trinh cua dung cong ((dan than) or (((dan chan) OR (dan gian)))) cau*.