Perhaps you should try some spelling variations:
hoc sach » hoc sinh, hoc cac, hoc anh
chat xuc » chat huu, cam xuc, chao xu
van anh » van thanh, van minh
va chat » van chat, va phat, cao chat
sach ty » sach y, sach tu, sach thu
hieu va » lieu va, hieu qua
hang ca » hang va, nang cao, hang tai
hang xa » hoang xa, hang va, lang xa
cua tre » cua te, cuu tre, cua triet
de cua » le cua, te cua, dieu cua
tuan » quan, tran, luan

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 ty ((hang xa) or (hang ca)) hoi. hieu va chat xuc ((van anh) or (tuan anh)) de cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ty ((hang xa) OR (hang ca)) hoi. hieu va chat xuc ((van anh) OR (tuan anh)) de cua tre.
• Adding a wildcard symbol may retrieve word variants: hoc sach ty ((hang xa) or (hang ca)) hoi. hieu va chat xuc ((van anh) or (tuan anh)) de cua tre*.