Perhaps you should try some spelling variations:
ban hanh » ban hang
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cao xuc » cam xuc, cao duc, cao suc
xuc ban » duc ban, cuc ban, quoc ban
va cao » va cac, va co, va dao
di cua » dai cua, doi cua, do cua
de cua » le cua, te cua, dieu 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: "tu sach ky nang x ho. lieu va cao xuc ban hanh ((di cua) OR (de cua)) tre~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang x ho. lieu va cao xuc ban hanh ((di cua) OR (de cua)) tre*.