Perhaps you should try some spelling variations:
sanh tranh » canh tranh, sach tranh, lanh tranh
dang phan » dung phan, nang phan, dang phat
phan dong » phan cong, phan dang, phan hong
tranh co » trinh co, tranh o, tranh cuoc
so dang » su dang, so dan, so dung
dong ha » dong hoa, dong va, dong hoc
so sanh » do sanh

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

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