Perhaps you should try some spelling variations:
nuoc sach » nguoi sach, hoc sach, cuoc cach
doc sach » hoc sach, toc sach, dac sac
chat xuc » chat huu, cam xuc, chao xu
xuc tuan » duc thuan, quoc tuan, xuan tuan
ty hang » ly hang, ty xang, thi hang
hang xa » hoang xa, hang va, hang ca
hieu va » lieu va, hieu qua
va chat » van chat, va phat, cao chat
cua tre » cua te, cuu tre, cua triet
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc sach) or (nuoc sach)) ty hang xa hoi. hieu va chat xuc tuan anh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc sach) OR (nuoc sach)) ty hang xa hoi. hieu va chat xuc tuan anh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((doc sach) or (nuoc sach)) ty hang xa hoi. hieu va chat xuc tuan anh vi cua tre*.