Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu sang » chieu sach, chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chiet tach) or (chieu sang)) - canh tranh cua nhung ((cong san) or (cong tan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu sang)) - canh tranh cua nhung ((cong san) OR (cong tan)) phan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu sang)) - canh tranh cua nhung ((cong san) or (cong tan)) phan cau*.