Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, sinh trung
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
manh hung » anh huong
cua nhung » va nhung
hoc hieu » hoc thieu, hoc hien, doc hieu
cong tan » cong tac, cong san, cong thanh
tan than » tan thanh, tan tran, ban than
than ban » thanh ban, toan ban, than man

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hieu lang - ((manh trung) or (manh hung)) cua nhung cong tan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hieu lang - ((manh trung) OR (manh hung)) cua nhung cong tan than ban*.