Perhaps you should try some spelling variations:
nhanh chong » thanh cong, khanh phong
danh tranh » canh tranh, danh thanh, lanh tranh
cao nhanh » cao nhan, cach nhanh, khao nhanh
chong khi » khong khi, cong khi, chong hiv
te danh » le danh, tac danh
tranh o » tranh co, trang o, trinh o
te cao » te bao
o khi » co khi, bo khi

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: (( te danh tranh o khi đong luc ) OR ( te cao nhanh chong khi đong luc ))~.
• Adding a wildcard symbol may retrieve word variants: (( te danh tranh o khi đong luc ) or ( te cao nhanh chong khi đong luc ))*.