Perhaps you should try some spelling variations:
ban thanh » ban hang
toc sach » hoc sach, doc sach, thuoc sach
tiep cua » tiep can, dieu cua, tap cua
tang tao » sang tao, tang tai, nang tao
ban hanh » ban hang
lap cua » lai cua, tap cua, lam cua
sach ky » sac ky, sach y, sach ty
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
ky tang » ky nang, ky dang, kho tang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ky tang tao hoi. hieu ve pham duc ((ban thanh) or (ban hanh)) ((lap cua) or (tiep cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ky tang tao hoi. hieu ve pham duc ((ban thanh) OR (ban hanh)) ((lap cua) OR (tiep cua)) te.
• Adding a wildcard symbol may retrieve word variants: toc sach ky tang tao hoi. hieu ve pham duc ((ban thanh) or (ban hanh)) ((lap cua) or (tiep cua)) te*.