Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
nang xa » nang x, lang xa, nang ma
va tham » van tham, va cham, va thanh
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: thu sach y nang xa hoi. lieu va tham ((goc va) OR (loc va)) hang di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach y nang xa hoi. lieu va tham ((goc va) OR (loc va)) hang di cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach y nang xa hoi. lieu va tham ((goc va) OR (loc va)) hang di cua tre*.