Perhaps you should try some spelling variations:
chieu xanh » chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, hieu cach
chieu sang » hieu lang, nhieu tang
hanh trung » thanh trung, hanh trang, manh trung
lang cong » dang cong, bang cong, hang cong
trung ha » trung hoc, trung tam, trung cap
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap
ha lang » hoa lang, ha tang, 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: hoc ((chieu xanh) or (((chieu sach) or (chieu sang)))) - hanh trung ha lang cong san than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (((chieu sach) OR (chieu sang)))) - hanh trung ha lang cong san than cao.
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (((chieu sach) or (chieu sang)))) - hanh trung ha lang cong san than cao*.