Perhaps you should try some spelling variations:
co sach » bo sach, cuon sach, hoc sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, dang xay, xang dau
mang xa » lang xa, mang may, dang xay
nay luc » nay lua, nang luc, nhan luc
cua tre » cua te, cuu tre, cua triet
ang xa » lang xa, dang xay, hoang xa
va nay » va ngay, va cay
luc va » duc va, tuc va, loc va
va dao » ca dao
dao vi » dao voi, dao ve, dao va
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: co sach ty ((((xang xa) or (mang xa))) or (ang xa)) hoi. lieu va nay luc va dao vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach ty ((((xang xa) OR (mang xa))) OR (ang xa)) hoi. lieu va nay luc va dao vi cua tre.
• Adding a wildcard symbol may retrieve word variants: co sach ty ((((xang xa) or (mang xa))) or (ang xa)) hoi. lieu va nay luc va dao vi cua tre*.