Perhaps you should try some spelling variations:
thuoc sach » hoc sach, nuoc sach, thuat sach
lieu van » lieu va, hieu van, sieu van
van tham » van thanh, van tuan, van chat
nang xa » nang x, lang xa, nang ma
hang di » hang doi, hang vi, hang dien
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
goc va » hoc va, doc va, uoc va
loc va » hoc va, luc va
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc sach y nang xa hoi. lieu van tham ((goc va) or (loc va)) hang di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc sach y nang xa hoi. lieu van tham ((goc va) OR (loc va)) hang di cua tre.
• Adding a wildcard symbol may retrieve word variants: thuoc sach y nang xa hoi. lieu van tham ((goc va) or (loc va)) hang di cua tre*.