Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, tu cach
xuc ban » duc ban, cuc ban, quoc ban
van cam » van nam, van lam, van cau
ly hang » ly quang
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
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) OR (te sach)) ((ly hang) or (ty xang)) xa hoi. hieu van cam xuc ban thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ((ly hang) OR (ty xang)) xa hoi. hieu van cam xuc ban thanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (te sach)) ((ly hang) or (ty xang)) xa hoi. hieu van cam xuc ban thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (te sach)) ((ly hang) or (ty xang)) xa hoi. hieu van cam xuc ban thanh vi cua tre*.