Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
cuong dung » tuong duong, ung dung, thong dung
hoc thieu » toc thieu, hoc hien
dung cong » dung trong
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
cong van » cong vang, cong san, song van
van than » van thanh, van thang, van tuan
than cap » khan cap, thanh lap, thanh cac

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) or (anh dang)) cuong dung cong van than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - ((anh tang) OR (anh dang)) cuong dung cong van than cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - ((anh tang) or (anh dang)) cuong dung cong van than cap*.