Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh dung » thanh duong, thanh tung, thanh hung
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
dung cua » dung luan, dung cho
tan toan » tan tran, tap toan, dan toan
van toan » van tuan, van tan, van thanh

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