Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, va tinh, le thanh
ty nang » ky nang, ty xang, ty hang
lap cua » lai cua, tap cua, lam cua
sach ty » sach y, sach tu, sach thu
va cao » va cac, va co, va dao
va cam » va cham, va cac, va cai
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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 ty nang x hoi. lieu ((va cam) OR (va cao)) tuc ((va thanh) or (ban thanh)) lap cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ty nang x hoi. lieu ((va cam) OR (va cao)) tuc ((va thanh) OR (ban thanh)) lap cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty nang x hoi. lieu ((va cam) OR (va cao)) tuc ((va thanh) or (ban thanh)) lap cua te".
• Adding a wildcard symbol may retrieve word variants: toc sach ty nang x hoi. lieu ((va cam) OR (va cao)) tuc ((va thanh) or (ban thanh)) lap cua te*.