Perhaps you should try some spelling variations:
van nhung » van nhuong, va nhung, van phung
van hung » van dung, manh hung, van duong
cong dan » cong san, cong tan, huong dan
dan khan » dan khanh, dan chan, dan than
khan cap » khan ap, than cap, khoan cam
so ha » so hoa, so va
o ha » y ha, _ ha

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((o ha) OR (so ha)) tinh - canh tranh ((van nhung) OR (van hung)) cong dan khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((o ha) or (so ha)) tinh - canh tranh ((van nhung) OR (van hung)) cong dan khan cap~".
• Adding a wildcard symbol may retrieve word variants: ((o ha) or (so ha)) tinh - canh tranh ((van nhung) OR (van hung)) cong dan khan cap*.