Perhaps you should try some spelling variations:
nhanh cong » nhanh chong, nganh cong, nhanh dong
doi chieu » doc hieu, doi chi, mot chieu
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, mot chieu
cua bang » chua bang, cua ban, cua dang
cong dan » cong san, cong tan, huong dan
dan van » dang van, doan van, dao 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 (doi chieu)) xanh - ((nhanh cong) or (thanh cong)) cua bang cong dan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - ((nhanh cong) OR (thanh cong)) cua bang cong dan van ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - ((nhanh cong) or (thanh cong)) cua bang cong dan van ban*.