Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
vien cac » vien bach, vien dai, vien da
xang cho » sang cho, hang cho, tang cho
hanh vai » hanh vi, hanh va, hanh tai
van hanh » van thanh, ban hanh, van anh
vai cua » dai cua, hai cua, lai cua
xuc van » duc van, luc van, vuc van
cua cau » cua cac, cua chu, cua cay
sach ty » sach y, sach tu, sach thu
cho hoc » co hoc, khoa hoc

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 ty xang cho hoc. hieu ((((ve cac) OR (va cac))) or (vien cac)) xuc van hanh vai cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty xang cho hoc. hieu ((((ve cac) OR (va cac))) OR (vien cac)) xuc van hanh vai cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty xang cho hoc. hieu ((((ve cac) OR (va cac))) or (vien cac)) xuc van hanh vai cua cau*".