Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, mot chieu
dung cua » dung luan, dung cho
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh
than cap » khan cap, thanh lap, thanh cac

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 - hanh dung cua thong ((cong ban) OR (cong tan)) than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - hanh dung cua thong ((cong ban) OR (cong tan)) than cap*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) xanh - hanh dung cua thong ((cong ban) OR (cong tan)) than cap*".