Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh ve » hanh ve, thanh va, thanh vien
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
tuc ban » thuc ban, truc ban, tu ban
cam tuc » cam xuc, cam tu, nam thuc
hieu va » lieu va, hieu qua
ty lang » tay lang, ty hang, tu lang
va cam » va cham, va cac, va cao
ve cua » le cua, de cua, te cua

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) OR (thu sach)) ((ty lang) OR (ty xang)) xa hoi. hieu va cam tuc ban thanh ve cua vat~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ((ty lang) or (ty xang)) xa hoi. hieu va cam tuc ban thanh ve cua vat~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ((ty lang) or (ty xang)) xa hoi. hieu va cam tuc ban thanh ve cua vat*.