Perhaps you should try some spelling variations:
hieu cua » hieu qua, dieu cua, bieu cua
ban hanh » ban hang
nang xa » nang x, lang xa, nang ma
cac xuc » cam xuc, cac nuoc, chat xuc
va danh » va dinh, va dan, va hanh
cuu tre » cua tre, cau tren, cau treo
tu bai » tu ban, tu bat, te bai
bai ky » ban ky, sai ky, bac ky
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 bai ky nang xa hoi. hieu cua cac xuc ((va danh) or (ban hanh)) ca ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu bai ky nang xa hoi. hieu cua cac xuc ((va danh) OR (ban hanh)) ca ((cuu tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: tu bai ky nang xa hoi. hieu cua cac xuc ((va danh) or (ban hanh)) ca ((cuu tre) or (cua te))*.