Perhaps you should try some spelling variations:
loai hoc » logic hoc, loai khoa, hoa hoc
qua cham » qua hai, qua cac, va cham
cham tuc » nham thuc, pham thuc, tham thuc
hanh lai » hanh lam, hanh tai, thanh lap
va hanh » van hanh, va thanh, va danh
lai cua » dai cua, hai cua, lai chau
tu dan » tuc dan, tu ban, cu dan
dan ky » van 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 dan ky nang ((loai hoc) or (dai hoc)). hieu qua cham tuc va hanh lai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky nang ((loai hoc) OR (dai hoc)). hieu qua cham tuc va hanh lai cua te.
• Adding a wildcard symbol may retrieve word variants: tu dan ky nang ((loai hoc) or (dai hoc)). hieu qua cham tuc va hanh lai cua te*.