Perhaps you should try some spelling variations:
thi chieu » thi chien, thi hieu, theo chieu
tranh cua » doanh cua, manh cua
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
cua dung » cua dang, cua dong, qua dung
cong san » cong tac
san van » tan van, luan van, tran van

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)) xanh - canh tranh cua dung cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (thi chieu)) xanh - canh tranh cua dung cong san van ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (thi chieu)) xanh - canh tranh cua dung cong san van ban*.