Perhaps you should try some spelling variations:
thanh chau » thanh cha, thanh cham, thanh chu
doi chieu » doc hieu, doi chi, mot chieu
tranh ban » trinh ban, tranh hang, tranh luan
ban trong » bai trong, ban tuong, ben trong
nhanh cau » nhanh cay, nhanh ha, hang cau
ho chieu » theo chieu, hoc thieu, mot chieu
cong tac » cong ty

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 ban trong cong tac ((nhanh cau) OR (thanh chau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doi chieu)) xanh - canh tranh ban trong cong tac ((nhanh cau) OR (thanh chau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doi chieu)) xanh - canh tranh ban trong cong tac ((nhanh cau) OR (thanh chau))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doi chieu)) xanh - canh tranh ban trong cong tac ((nhanh cau) OR (thanh chau))*.