Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
huu tinh » cuu tinh, huu dinh, huu binh
tranh ve » trinh ve, thanh ve, tranh va
ve nhung » va nhung, tu nhung
cong dan » cong san, cong tan, huong dan
toan cau » toan tap, toan tai
toan ban » van ban
toan cao » 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: so huu tinh - canh tranh ve nhung cong dan ((((toan cau) OR (toan ban))) OR (toan cao))~.
• Adding a wildcard symbol may retrieve word variants: so huu tinh - canh tranh ve nhung cong dan ((((toan cau) or (toan ban))) or (toan cao))*.