Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
doan tran » doan trang, doan tuan, toan tran
hoan tran » hoang tran, thoan tran, toan tran
tranh me » tran mi, trang de, trang ke
me nhung » ve nhung, ma nhung, my nhung
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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: ((doan tran) OR (hoan tran)) thanh - canh tranh me nhung cong ((dan toan) OR (dan than)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doan tran) or (hoan tran)) thanh - canh tranh me nhung cong ((dan toan) OR (dan than)) cau~".
• Adding a wildcard symbol may retrieve word variants: ((doan tran) or (hoan tran)) thanh - canh tranh me nhung cong ((dan toan) OR (dan than)) cau*.