Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
hanh vai » hanh vi, hanh va, hanh tai
van cau » van dau, van hau, van chat
vai cua » dai cua, hai cua, lai cua
thuc va » thuc vat, thuc dan, thuc day
sach ty » sach y, sach tu, sach thu
van cam » van nam, van lam, van dam
nang xa » nang x, lang xa, nang ma
ty nang » ky nang, ty xang, ty hang
cua tre » cua te, cuu tre, cua triet
tuc va » truc va, tuc xa, duc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ty nang xa hoi. thi ((van cam) or (van cau)) ((tuc va) or (thuc va)) hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ty nang xa hoi. thi ((van cam) OR (van cau)) ((tuc va) OR (thuc va)) hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ty nang xa hoi. thi ((van cam) or (van cau)) ((tuc va) or (thuc va)) hanh vai cua tre*.