Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
thi chien » thi hien, thi thien, thien chien
cong doan » cong hoan, dong doanh, cong san
trang va » tran van, hang va
va tuong » va thuong, va thong, xa truong
cong dan » cong san, cong tan, huong dan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo tieu) or (thi chien)) xanh - hanh trang va tuong ((cong doan) OR (cong dan)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo tieu) OR (thi chien)) xanh - hanh trang va tuong ((cong doan) OR (cong dan)) phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo tieu) or (thi chien)) xanh - hanh trang va tuong ((cong doan) OR (cong dan)) phan dau".
• Adding a wildcard symbol may retrieve word variants: ((theo tieu) or (thi chien)) xanh - hanh trang va tuong ((cong doan) OR (cong dan)) phan dau*.