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