Perhaps you should try some spelling variations:
vu sach » vu bach, su sach, vu khach
sach ly » sach y, sach lo, sach ty
ly nang » ky nang, ly hang, ly vang
nang xa » nang x, lang xa, nang ma
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ly nang xa hoi. hieu ((va cam) or (va cac)) xuc ((va danh) or (va hanh)) dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ly nang xa hoi. hieu ((va cam) OR (va cac)) xuc ((va danh) OR (va hanh)) dai cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach ly nang xa hoi. hieu ((va cam) or (va cac)) xuc ((va danh) or (va hanh)) dai cua tre*.