Perhaps you should try some spelling variations:
tranh van » tran van, trinh van, thanh van
van duong » van dong, van dung, van phong
cong doan » cong hoan, dong doanh, cong san
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
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: ((ho chieu) or (doc hieu)) xanh - canh tranh van duong ((cong doan) OR (cong dan)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) xanh - canh tranh van duong ((cong doan) OR (cong dan)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (doc hieu)) xanh - canh tranh van duong ((cong doan) OR (cong dan)) phan cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) xanh - canh tranh van duong ((cong doan) OR (cong dan)) phan cau*.