Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
ve chao » ve chat, ve cham, ve cho
danh vi » hanh vi, danh di, danh va
dinh vi » dinh ve, dinh viet, dinh tri
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
xu va » xu van, tu va, su va

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: ((te sach) OR (toc sach)) y nang xa hoi. hieu ve chao xu va ((danh vi) OR (dinh vi)) cua tre~.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (toc sach)) y nang xa hoi. hieu ve chao xu va ((danh vi) or (dinh vi)) cua tre*.