Perhaps you should try some spelling variations:
nhung cong » thong cong, hang cong, nhung don
thieu xanh » chieu xanh, hieu manh, thien anh
hoc thieu » toc thieu, hoc hien
canh tran » canh tranh, hanh trang, banh trang
dung cong » dung trong
tran van » luan van
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao cap

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 - canh tran van ((nhung cong) or (dung cong)) dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - canh tran van ((nhung cong) OR (dung cong)) dan chan cap.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - canh tran van ((nhung cong) or (dung cong)) dan chan cap*.