Perhaps you should try some spelling variations:
ban hanh » ban hang
sach ty » sach tu, sach thu, xach tay
qua hai » qua hoat
vu kham » vu khanh
soc ban » hoc ban, coc ban, so ban
cua tre » cua te, cuu tre, cua triet
ang xa » lang xa, mang xa, dang xay
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: te ((sach ty) or (sach y)) ang xa hoi. hieu ((qua hai) or (vu kham)) soc ban hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach y)) ang xa hoi. hieu ((qua hai) OR (vu kham)) soc ban hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach y)) ang xa hoi. hieu ((qua hai) or (vu kham)) soc ban hanh vi cua tre*.