Perhaps you should try some spelling variations:
toc sach » doc sach, thuoc sach, nuoc sach
xang cho » sang cho, tang cho, bang cho
hieu van » hieu va, thien van, lieu va
hang cho » sang cho, hang khoa, phong cho
hoc sach » hoc sinh, hoc cac, hoc anh
van cau » van dau, van hau, van chat
cau xuc » cam xuc, cau luc, cau truc
xuc van » duc van, luc van, vuc van
van anh » van thanh, tuan anh, van minh
cua cau » cua cac, cua chu, cua cay
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: ((toc sach) OR (hoc sach)) ty ((xang cho) or (hang cho)) hoc. hieu van cau xuc van anh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc sach) OR (hoc sach)) ty ((xang cho) OR (hang cho)) hoc. hieu van cau xuc van anh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (hoc sach)) ty ((xang cho) or (hang cho)) hoc. hieu van cau xuc van anh vi cua cau*".