Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
hoc thieu » toc thieu, hoc hien
tang luan » dung luan
van thanh » ban thanh, van tuan
thanh tap » thanh lap, thanh tai, thanh tay
anh tang » anh bang, anh dang, anh nang

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