Perhaps you should try some spelling variations:
cuu tre » cau tren, cau treo
cam tuc » cam xuc, cam tu, nam thuc
cua tre » cua te, cua triet, dua tren
va hanh » van hanh, va thanh, va danh
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
tuc va » thuc va, truc va, tuc xa
tu bac » tu ban, tu cac, tu bat
tu san » thu san, tu ban, tu can
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu bac) or (tu san)) ky nang xa hoi. hieu va cam tuc va hanh vi ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu bac) OR (tu san)) ky nang xa hoi. hieu va cam tuc va hanh vi ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: ((tu bac) or (tu san)) ky nang xa hoi. hieu va cam tuc va hanh vi ((cua tre) or (cuu tre))*.