Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
hoc sach » hoc sinh, hoc cac
thanh vi » hanh vi, thanh va, thanh ve
tang cho » trang cho, sang cho, hang cho
vien cac » vien bach, vien dai, vien da
xuc van » duc van, luc van, vuc van
cua cau » cua cac, cua chu, cua cay
cho hoc » co hoc, khoa hoc
ty tang » tay tang, ty xang, ty hang
hoc anh » hoc nganh, hoc nhanh, ngoc anh
vi cua » vai cua, di cua
ve cac » va cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc sach) OR (hoc anh)) ty tang cho hoc. hieu ((ve cac) or (vien cac)) xuc van thanh vi cua cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc sach) OR (hoc anh)) ty tang cho hoc. hieu ((ve cac) OR (vien cac)) xuc van thanh vi cua cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc sach) OR (hoc anh)) ty tang cho hoc. hieu ((ve cac) or (vien cac)) xuc van thanh vi cua cau*".