Perhaps you should try some spelling variations:
nhung phong » nhung phuong, nhung chong, nung phong
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc chieu » hoc thieu, ho chieu, hoc hien
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van tan » van tuan, van tai, van thanh

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: ((hoc chieu) OR (doi chieu)) sang - hanh tranh cua nhung phong ((van tan) OR (van ban)) cao~.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (doi chieu)) sang - hanh tranh cua nhung phong ((van tan) or (van ban)) cao*.