Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
kho tang » cao tang
va hanh » van hanh, va thanh, ban hanh
va danh » va dinh, va dan, dia danh
cac xuc » cam xuc, cac nuoc, chat xuc
qua cac » cua cac
mai hoi » mai khoi, dai hoi, lai hoi
ky dang » ky nang, ky danh
ca cua » co cua
tu bai » tu ban, tu bat, te bai

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu bai ((ky dang) or (kho tang)) mai hoi. hieu qua cac xuc ((va danh) or (va hanh)) ca cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ((ky dang) OR (kho tang)) mai hoi. hieu qua cac xuc ((va danh) OR (va hanh)) ca cua triet.
• Adding a wildcard symbol may retrieve word variants: tu bai ((ky dang) or (kho tang)) mai hoi. hieu qua cac xuc ((va danh) or (va hanh)) ca cua triet*.