Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
hanh di » hanh vi, hanh de, hang di
dho van » dao van, do van, tho van
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ho van » hoc van, vo van, so van
di cua » dai cua, doi cua, de cua
ve cam » ve cham, ve cac, va cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty ((nang x) OR (lang xa)) hoi. hieu ve cam ((ho van) OR (dho van)) hanh di cua tre~.
• Adding a wildcard symbol may retrieve word variants: toc sach ty ((nang x) or (lang xa)) hoi. hieu ve cam ((ho van) or (dho van)) hanh di cua tre*.