Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » dung cong, thong cong, hang cong
tang thanh » dang thanh, trung thanh, hoang thanh
hoc thieu » toc thieu, hoc hien
tan thanh » tran thanh, toan thanh, ban thanh
toan van » toan ban, tan van, toan va
tran van » luan van

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((toan van) OR (tran van)) nhung cong ((tan thanh) OR (tang thanh)) cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((toan van) or (tran van)) nhung cong ((tan thanh) OR (tang thanh)) cap~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((toan van) or (tran van)) nhung cong ((tan thanh) OR (tang thanh)) cap*.