Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
doi chieu » doc hieu, doi chi, ho chieu
tranh van » tran van, trinh van, thanh van
dung cong » dung trong
van dung » van dong, xay dung, tin dung
cong ban » cong bang, cong san, cong tan
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (doi chieu)) xanh - canh tranh van dung cong ban ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (doi chieu)) xanh - canh tranh van dung cong ban ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (doi chieu)) xanh - canh tranh van dung cong ban ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (doi chieu)) xanh - canh tranh van dung cong ban ((than cau) OR (phan cau))*.