Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, hieu manh
chieu tinh » trieu tinh, lieu tinh, chau tinh
tranh cua » doanh cua, manh cua
cua hang » cua dang, cua nhung, cua cong
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
san cao » san co, san cho, san bao

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 tinh)) - canh tranh cua hang ((cong tan) OR (cong tac)) san cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu xanh) OR (chieu tinh)) - canh tranh cua hang ((cong tan) OR (cong tac)) san cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((chieu xanh) or (chieu tinh)) - canh tranh cua hang ((cong tan) OR (cong tac)) san cao".
• Adding a wildcard symbol may retrieve word variants: hoc ((chieu xanh) or (chieu tinh)) - canh tranh cua hang ((cong tan) OR (cong tac)) san cao*.