Perhaps you should try some spelling variations:
den thanh » dinh thanh, dong thanh, ban thanh
hang cong » dang cong, hang nong, bang cong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
de thanh » le thanh
tranh he » trinh he, tranh ha, tinh he
toan cao » toan ban, toan tap
he hang » he zhang, le hang, te hang

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 ((den thanh) OR (de thanh)) - canh tranh he hang cong manh toan cao~.
• Adding a wildcard symbol may retrieve word variants: doan ((den thanh) or (de thanh)) - canh tranh he hang cong manh toan cao*.