Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hoc sach » hoc sinh, hoc cac, hoc anh
giap duc » giao duc, gia duc, giac duoc
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
soc ban » hoc ban, coc ban, so ban
lap duc » lap du, lap doc, lang duc
y nang » ky nang, ly nang, v nang

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 y nang xa hoi. lieu va cham soc ban thanh ((lap duc) OR (giap duc)) tien~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc sach y nang xa hoi. lieu va cham soc ban thanh ((lap duc) OR (giap duc)) tien".
• Adding a wildcard symbol may retrieve word variants: hoc sach y nang xa hoi. lieu va cham soc ban thanh ((lap duc) OR (giap duc)) tien*.