Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
thanh tung » thanh cong
hoc thieu » toc thieu, hoc hien
lang cong » bang cong, hang cong, lang dong
dang cong » dung cong
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
tung va » trung va, tuong va, dung va

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 tung va ((lang cong) or (dang cong)) dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh tung va ((lang cong) OR (dang cong)) dan than cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh tung va ((lang cong) or (dang cong)) dan than cao*.