Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, theo chieu
canh tran » canh tranh, hanh trang, banh trang
van nhung » van nhuong, va nhung, van hung
ho chieu » theo chieu, hoc thieu, doi chieu
tran van » luan van
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: ((ho chieu) or (thi chieu)) sach - canh tran van nhung cong tan than ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) sach - canh tran van nhung cong tan than ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) sach - canh tran van nhung cong tan than ban*.