Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
ty hang » ly hang, ty xang, thi hang
nay tuc » nay tu, cay thuc, day thuc
cua tre » cua te, cuu tre, cua triet
ty ang » ty xang, ty anh
va nay » va ngay, va cay
xa dan » ca dan, xa dai, va dan
dan vi » doan vi, don vi, dan 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: so sach ((ty ang) or (ty hang)) xa hoi. lieu va nay tuc xa dan vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ty ang) OR (ty hang)) xa hoi. lieu va nay tuc xa dan vi cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach ((ty ang) or (ty hang)) xa hoi. lieu va nay tuc xa dan vi cua tre*.