Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
tung tac » tuong tac, ung tac, trung tam
tac dung » sach dung, xay dung, tin dung
cong san » cong tac

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