Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, mot chieu
lang cong » dang cong, bang cong, hang cong
nhan cach » phan cac
ho chieu » theo chieu, hoc thieu, mot chieu
tranh va » tranh van, trang va, trinh va
cong san » cong tac
phan dau » phan tu, hang dau
va lang » va nang, hoa lang

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 - canh tranh va lang cong san ((phan dau) or (nhan cach))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - canh tranh va lang cong san ((phan dau) OR (nhan cach))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (doi chieu)) xanh - canh tranh va lang cong san ((phan dau) or (nhan cach))*".