Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hang cong » dang cong, hang nong, bang cong
tranh va » tranh van, trang va, trinh va
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
phan dau » phan tu, hang dau
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: theo ((chieu xanh) or (chieu sang)) - canh tranh va hang cong tac ((toan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sang)) - canh tranh va hang cong tac ((toan cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sang)) - canh tranh va hang cong tac ((toan cau) or (phan dau))*.