Perhaps you should try some spelling variations:
qua cham » qua hai, qua cac, va cham
cham tuc » nham thuc, pham thuc, tham thuc
nang xa » nang x, lang xa, nang ma
va hanh » van hanh, va thanh, va danh
cua tre » cuu tre, cua triet, dua tren
su can » su van, tu can, su han
su cao » cu cao, vu cao, su co
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.

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