Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh dai » thanh hai, thanh tai, thanh dat
cua triet » cua viet, su triet, va triet
phan duc » pham duc, phan tu, phan dau
lai hoi » dai hoi, lai hoa, mai hoi
lai roi » loi roi
hieu ve » hieu va, hieu van
ve phan » va phan, ke phan, ve phat
duc ban » duc tan, duc van, dua ban
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang ((lai hoi) OR (lai roi)). hieu ve phan duc ban thanh dai cua triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang ((lai hoi) OR (lai roi)). hieu ve phan duc ban thanh dai cua triet".
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang ((lai hoi) OR (lai roi)). hieu ve phan duc ban thanh dai cua triet*.