Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
kho tang » cao tang
mai khoi » mai khoa, tai khoa, cac khoi
cac xuc » cam xuc, cac nuoc, chat xuc
va hanh » van hanh, va thanh, va danh
va dinh » van dinh, va kinh, va tinh
qua cac » cua cac
ky sang » ky nang, ky dang, ky tang
ca cua » co cua
tu sai » tu bai, tu san, tu cai

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

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