Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
va thanh » gia thanh, ban thanh, va tinh
thanh vi » hanh vi, thanh va, thanh ve
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cua suc » cua duc, cua tuc, cua cuc
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
cua su » qua su

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

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