Perhaps you should try some spelling variations:
danh tranh » canh tranh, danh thanh, lanh tranh
cac nganh » hoc nganh
cong khi » cong thai, khong khi, cong hai
tranh co » trinh co, tranh o, tranh cuoc
cong ha » cong hoa, dong ha, cong tac
te danh » le danh, tac danh
te cac » tu cac, ve cac, te cao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( te cac nganh ((cong khi) or (cong ha)) đong luc ) or ( te danh tranh co khi đong luc ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( te cac nganh ((cong khi) OR (cong ha)) đong luc ) OR ( te danh tranh co khi đong luc )).
• Adding a wildcard symbol may retrieve word variants: (( te cac nganh ((cong khi) or (cong ha)) đong luc ) or ( te danh tranh co khi đong luc ))*.