Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
toan cao » toan ban
toan tap » toan ban
va bang » va nang, va lang, va ban

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 sang - ((canh tranh) or (thanh tung)) va bang cong tan ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - ((canh tranh) OR (thanh tung)) va bang cong tan ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - ((canh tranh) or (thanh tung)) va bang cong tan ((toan cao) or (toan tap))*.