Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
hai cuc » tai cuc, thai cua, hai huoc
hai cua » thai cua, dai cua, hoi cua
va tinh » may tinh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
ve cua » le cua, de cua, te cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach y nang xa hoi. lieu va ((hai cuc) or (hai cua)) ((ban thanh) or (va tinh)) ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y nang xa hoi. lieu va ((hai cuc) OR (hai cua)) ((ban thanh) OR (va tinh)) ve cua tre.
• Adding a wildcard symbol may retrieve word variants: vu sach y nang xa hoi. lieu va ((hai cuc) or (hai cua)) ((ban thanh) or (va tinh)) ve cua tre*.