Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thu sach » thuat sach, thuoc sach, thu hoach
tu sach » su sach, te sach, tu cach
va danh » va dinh, va dan, va hanh
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
ve cac » va cac, vien cac
di cua » dai cua, doi cua, de cua
cua tu » cua tuc, cua su, cua cu

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)) ky nang x ho. hieu ve cac xuc ((ban thanh) OR (va danh)) di cua tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) ky nang x ho. hieu ve cac xuc ((ban thanh) or (va danh)) di cua tu~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) ky nang x ho. hieu ve cac xuc ((ban thanh) or (va danh)) di cua tu*.