Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh qua » trinh quan, trinh cua, trinh quang
qua thong » qua trong, quang thong, suat thong
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong tac » cong ty
toan ban » van ban

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 (doc hieu)) sang - canh trinh qua thong ((cong san) or (cong tac)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) sang - canh trinh qua thong ((cong san) OR (cong tac)) toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) sang - canh trinh qua thong ((cong san) or (cong tac)) toan ban*.