Perhaps you should try some spelling variations:
van nhuong » van chuong, van phuong, van huong
hieu xanh » chieu xanh, hieu manh, hieu nganh
doc hieu » toc thieu, hoc thieu, hoc hien
van hung » manh hung, van duong, van dong
van dung » van dong, xay dung, tin dung
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
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: doc hieu xanh - canh tranh ((van nhuong) or (((van hung) or (van dung)))) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh tranh ((van nhuong) OR (((van hung) OR (van dung)))) cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh tranh ((van nhuong) or (((van hung) or (van dung)))) cong dan phan cau*.