Perhaps you should try some spelling variations:
doan thien » hoan thien, doan thi, toan thiet
doan tien » doanh tien, toan tien, doan dien
he nhung » hee nhung, ve nhung, hien nhung
me nhung » ve nhung, ma nhung, my nhung
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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