Perhaps you should try some spelling variations:
ban hanh » ban hang
hieu van » hieu va, thien van, lieu va
te sach » toc sach
cac xuc » cam xuc, cac nuoc, chat xuc
van anh » van thanh, tuan anh, van minh
van cac » van hac, van cau, van bac
ty hang » ly hang, thi hang, thu hang
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach ((ty hang) or (ty xang)) xa hoi. hieu van cac xuc ((van anh) or (ban hanh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((ty hang) OR (ty xang)) xa hoi. hieu van cac xuc ((van anh) OR (ban hanh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty hang) or (ty xang)) xa hoi. hieu van cac xuc ((van anh) or (ban hanh)) di cua tre*.