Perhaps you should try some spelling variations:
chiet tach » chieu sach
chieu sang » chieu sach, chieu xanh, hieu lang
cua nhung » va nhung
cong cua » cong cu, dong cua, huong cua
cong tan » cong san, cong thanh, cong ty
cong tac » 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)) - thanh cong cua nhung ((cong tan) or (cong tac)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (chieu sang)) - thanh cong cua nhung ((cong tan) OR (cong tac)) phan cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (chieu sang)) - thanh cong cua nhung ((cong tan) or (cong tac)) phan cau*.