Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
mai dung » mai huong, manh dung, ap dung
mai hung » manh hung, van hung
cong tac » cong ty
than cao » toan cao, thai cao, than cap

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 truong ((mai dung) OR (mai hung)) ((cong tac) or (huong dan)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh truong ((mai dung) OR (mai hung)) ((cong tac) OR (huong dan)) than cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh truong ((mai dung) OR (mai hung)) ((cong tac) or (huong dan)) than cao".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh truong ((mai dung) OR (mai hung)) ((cong tac) or (huong dan)) than cao*.