Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
toc sach » hoc sach, doc sach, thuoc sach
vien cac » vien bach, vien dai, vien da
thanh ve » hanh ve, thanh va, thanh vien
sang cho » danh cho, dung cho, sang tao
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
ty sang » ty xang, ty hang, duy sang
ve cua » le cua, de cua, te 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 ty sang cho hoc. hieu ((((ve cac) or (va cac))) or (vien cac)) xuc van thanh ve cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty sang cho hoc. hieu ((((ve cac) OR (va cac))) OR (vien cac)) xuc van thanh ve cua cau*.