Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
chiet tach » chieu sach
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong tac » cong ty
ran cau » van cau, ban cau, can cau

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) or (chiet tach)) - hanh tranh cua nhung ((cong tac) or (cong san)) ran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chiet tach)) - hanh tranh cua nhung ((cong tac) OR (cong san)) ran cau.
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (chiet tach)) - hanh tranh cua nhung ((cong tac) or (cong san)) ran cau*.