Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
tam duong » tam huong, tuan duong, thao duong
tac dung » sach dung, xay dung, tin dung
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

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 - thanh trung ((tac dung) or (tam duong)) cong tan ((toan ban) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh trung ((tac dung) OR (tam duong)) cong tan ((toan ban) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh trung ((tac dung) or (tam duong)) cong tan ((toan ban) or (toan tap))*.