Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thanh truong » thanh trung, thanh tung, thanh huong
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
cong dan » cong san, cong tan, huong dan
toan cao » toan ban
toan tap » toan ban
va dung » van dung, va duong, vat dung

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