Perhaps you should try some spelling variations:
thanh vi » hanh vi, thanh va, nhanh vi
thanh ve » hanh ve, thanh va, thanh vien
te sach » toc sach
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ve bac » ve bao, ve cac, ve ban
si van » su van, so van, vi van
x hoi » xa hoi, o hoi, x ho

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ty nang x hoi. hieu ve bac si van ((thanh vi) OR (thanh ve)) cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ty nang x hoi. hieu ve bac si van ((thanh vi) OR (thanh ve)) cua tre*.