Perhaps you should try some spelling variations:
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
sach ty » sach y, sach tu, sach thu
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
ve cac » va cac, vien cac
ca dan » cac dan, ca dao
va dau » va dao

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: tu sach ty lang xa hoi. hieu ve cac xuc ((((va dau) OR (ca dan))) OR (ban hanh)) vai cuu tre~.
• Adding a wildcard symbol may retrieve word variants: tu sach ty lang xa hoi. hieu ve cac xuc ((((va dau) or (ca dan))) or (ban hanh)) vai cuu tre*.