Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham tuc » nham thuc, pham thuc, tham thuc
lai hoa » dai hoa, loai hoc
va hanh » van hanh, va thanh, va danh
lai cua » hai cua, lai chau, thai cua
tu dan » tuc dan, tu ban, cu dan
dan ky » van ky
tuc va » thuc va, truc va, tuc xa

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 ((lai hoa) or (dai hoc)). hieu qua cham tuc va hanh ((lai cua) OR (dai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dan ky nang ((lai hoa) OR (dai hoc)). hieu qua cham tuc va hanh ((lai cua) OR (dai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu dan ky nang ((lai hoa) or (dai hoc)). hieu qua cham tuc va hanh ((lai cua) OR (dai cua)) te".
• Adding a wildcard symbol may retrieve word variants: tu dan ky nang ((lai hoa) or (dai hoc)). hieu qua cham tuc va hanh ((lai cua) OR (dai cua)) te*.