Perhaps you should try some spelling variations:
loai hoc » logic hoc, loai khoa, dai hoc
qua chat » qua nhat, qua cham, luan chat
chat tuc » chat xuc, luat tuc, chat huu
hanh vai » hanh vi, hanh va, hanh tai
ky sang » ky nang, ky dang, ky tang
lai hoa » dai hoa
va hanh » van hanh, va thanh, va danh
vai cua » dai cua, hai cua, lai cua
tu san » thu san, tu ban, tu can
san ky » sang ky, van ky, dan ky
tuc va » thuc va, truc va, tuc xa
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu san ky sang ((lai hoa) OR (loai hoc)). hieu qua chat tuc va hanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu san ky sang ((lai hoa) OR (loai hoc)). hieu qua chat tuc va hanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: tu san ky sang ((lai hoa) OR (loai hoc)). hieu qua chat tuc va hanh vai cua te*.