Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
lang trong » dung trong, cong trong, dong trong
hang cong » dang cong, hang nong, bang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cao » toan cao, thai cao, than cap
va hang » van hang, va nang, va lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - ((cong thanh) or (lang trong)) va hang cong dan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - ((cong thanh) OR (lang trong)) va hang cong dan than cao*.