Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
nhung cong » thong cong, hang cong, nhung don
hoc thieu » toc thieu, hoc hien
canh tran » hanh trang, banh trang, lanh tranh
dung cong » dung trong
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) OR (canh tranh)) 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) OR (canh tranh)) van ((nhung cong) OR (dung cong)) dan chan cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - ((canh tran) OR (canh tranh)) van ((nhung cong) or (dung cong)) dan chan cap*".