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