Perhaps you should try some spelling variations:
hieu lang » chieu sang, hieu quang, nhieu tang
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua
cong tan » cong san, cong thanh, cong ty
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu lang - lanh manh cua nhung ((cong tan) or (cong tac)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu lang - lanh manh cua nhung ((cong tan) OR (cong tac)) than cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu lang - lanh manh cua nhung ((cong tan) or (cong tac)) than cau*.