Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
thuoc va » thuc va, thuong va, thuoc tai
thuoc ma » hoc ma, duoc ma
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
van lam » van nam
dinh ba » dinh gia, dinh van, dinh lam
cua tre » cua te, cuu tre, cua triet
ba cua » ban cua, bai cua, bao cua

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 ky lang xa hoi. hieu van lam ((thuoc va) OR (thuoc ma)) dinh ba cua tre~".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu van lam ((thuoc va) OR (thuoc ma)) dinh ba cua tre*.