Perhaps you should try some spelling variations:
nhung chong » nhung phong, nhung phuong, phong chong
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
tap quan » tac quan, hai quan
quan ha » quan he

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: theo chieu tinh - canh tranh cua ((nhung chong) OR (nhung cong)) tap quan ha~.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - canh tranh cua ((nhung chong) or (nhung cong)) tap quan ha*.