Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, cuoc cach, cuon sach
hoc sach » hoc sinh, hoc cac, hoc anh
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
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: ((hoc sach) or (nuoc sach)) ky nang xa hoi. hieu va cam ((xuc va) or (luc va)) hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (nuoc sach)) ky nang xa hoi. hieu va cam ((xuc va) OR (luc va)) hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((hoc sach) or (nuoc sach)) ky nang xa hoi. hieu va cam ((xuc va) or (luc va)) hanh vai cua tre*.