Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach lo » sach dao, sach doi, sach hoi
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cau luc » cau truc, cau phuc
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
ve cau » ke cau, va cau, ve cac
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: su sach lo ((nang xa) OR (nang cao)) hoi. hieu ve cau luc va danh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: su sach lo ((nang xa) or (nang cao)) hoi. hieu ve cau luc va danh vi cua tre*.