Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
hieu manh » hieu nganh, dieu hanh, hien hanh
lang cong » dang cong, bang cong, hang cong
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than cao » toan cao, thai cao, than cap
cong va » dong va, cong ha, cong tac
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((((chieu xanh) or (hieu manh))) or (chieu sang)) - thanh cong va lang cong tan than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chieu xanh) OR (hieu manh))) OR (chieu sang)) - thanh cong va lang cong tan than cao.
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) or (hieu manh))) or (chieu sang)) - thanh cong va lang cong tan than cao*.