Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hoc sach » hoc sinh, hoc cac, hoc anh
va thanh » gia thanh, va tinh, le thanh
sach ty » sach y, sach tu, sach thu
ty nang » ky nang, ty xang, ty hang
cam tuc » cam xuc, cam tu, nam thuc
lap cua » tap cua, lam cua, ap cua
lai cua » dai cua, hai cua, lai chau
va cam » va cham, va cac, va cao
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: hoc sach ty nang x hoi. lieu va cam tuc ((va thanh) or (ban thanh)) ((lap cua) OR (lai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach ty nang x hoi. lieu va cam tuc ((va thanh) OR (ban thanh)) ((lap cua) OR (lai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach ty nang x hoi. lieu va cam tuc ((va thanh) or (ban thanh)) ((lap cua) OR (lai cua)) te".
• Adding a wildcard symbol may retrieve word variants: hoc sach ty nang x hoi. lieu va cam tuc ((va thanh) or (ban thanh)) ((lap cua) OR (lai cua)) te*.