Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
sach thu » sach thue, sach thieu, sach tham
nang cho » nang chon, ngang cho, nang cao
hieu ve » hieu va, hieu van
hanh ve » hanh vi, hanh va, hanh kem
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach tu, xach tay, sach hay
cho hoc » co hoc, khoa hoc
cua cau » cua cac, cua chu, cua cay
ve cac » va cac, vien cac
ve cua » le cua, de cua, te 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: te ((((sach ty) OR (sach thu))) OR (sach y)) nang cho hoc. hieu ve cac xuc van hanh ve cua cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((((sach ty) OR (sach thu))) or (sach y)) nang cho hoc. hieu ve cac xuc van hanh ve cua cau~".
• Adding a wildcard symbol may retrieve word variants: te ((((sach ty) OR (sach thu))) or (sach y)) nang cho hoc. hieu ve cac xuc van hanh ve cua cau*.