Perhaps you should try some spelling variations:
toc sach » hoc sach, thuoc sach, nuoc sach
doc sach » hoc sach, nuoc sach, dac sac
ban hanh » ban hang
sang tao » hang tai
hang cho » sang cho, hang khoa, phong cho
hanh di » hanh vi, hanh de, hang di
cuc ban » cua ban, cac ban, cuu ban
cac cuc » cac cuoc, cac cua, cac nuoc
hieu ve » hieu va, hieu van
cua cau » cua cac, cua chu, cua cay
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua

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) OR (doc sach)) ty ((sang tao) OR (hang cho)) hoc. hieu ve cac cuc ban hanh di cua cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc sach) OR (doc sach)) ty ((sang tao) or (hang cho)) hoc. hieu ve cac cuc ban hanh di cua cau~".
• Adding a wildcard symbol may retrieve word variants: ((toc sach) OR (doc sach)) ty ((sang tao) or (hang cho)) hoc. hieu ve cac cuc ban hanh di cua cau*.