Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
thanh vi » hanh vi, thanh va, thanh ve
su sach » so sach, vu sach
xuc van » duc van, luc van, vuc van
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
ty nang » ky nang, ty xang, ty hang
co loi » co hoi
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua
ve cam » ve cham, ve cac, ve cai

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: su sach ty nang ((co hoc) OR (co loi)). hieu ((ve cam) OR (va cam)) xuc van thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty nang ((co hoc) or (co loi)). hieu ((ve cam) OR (va cam)) xuc van thanh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: su sach ty nang ((co hoc) or (co loi)). hieu ((ve cam) OR (va cam)) xuc van thanh vi cua tre*.