Perhaps you should try some spelling variations:
bo sach » co sach, hoc sach
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
nay luc » nay lua, nang luc, nhan luc
cua tre » cuu tre, cua triet, dua tren
va nay » va ngay, va cay
luc va » duc va, tuc va, loc va
va dan » ca dan, va dao, va dau
dan vi » doan vi, don vi, dan va
cua te » cua tu

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

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