Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
van hanh » ban hanh, van anh, van ban
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach y, sach tu, sach thu
ty hang » ly hang, ty xang, thi hang
dai cuu » dai cua, dai huu
cuu tre » cua tre, cau tren, cau treo
hang x » nang x, hoang xa, chang xu
x hoi » xa hoi, o hoi, x ho

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: toc sach ty hang x hoi. hieu va cac xuc ((((van hanh) OR (van thanh))) OR (va thanh)) dai cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty hang x hoi. hieu va cac xuc ((((van hanh) OR (van thanh))) or (va thanh)) dai cuu tre~".
• Adding a wildcard symbol may retrieve word variants: toc sach ty hang x hoi. hieu va cac xuc ((((van hanh) OR (van thanh))) or (va thanh)) dai cuu tre*.