Perhaps you should try some spelling variations:
ban hang » ngan hang
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
cac xuc » cac nuoc, chat xuc, cac cuoc
van anh » van thanh, tuan anh, van minh
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
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: tu sach y nang xa hoi. hieu ve ((cac xuc) or (cam xuc)) ((ban hang) or (van anh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y nang xa hoi. hieu ve ((cac xuc) OR (cam xuc)) ((ban hang) OR (van anh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang xa hoi. hieu ve ((cac xuc) or (cam xuc)) ((ban hang) or (van anh)) vi cua tre*.