Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong cao » truong dai
hoc thieu » toc thieu, hoc hien
truong ca » truong va, trong ca, truong dai
dung cong » dung trong
cong tan » cong tac, cong san, cong thanh
tan hang » tan khang, ban hang, van hang
hang dau » hang va, hang tai

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 ((truong cao) or (truong ca)) dung cong tan hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((truong cao) OR (truong ca)) dung cong tan hang dau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((truong cao) or (truong ca)) dung cong tan hang dau*.