Perhaps you should try some spelling variations:
ban danh » ban doanh, ban hanh, ban dan
te sach » toc sach
sach tu » sach thu, cach tu, sach ty
tu nang » tru nang, tu nong, tu nano
hieu ve » hieu va, hieu van
xuc ban » duc ban, cuc ban, quoc ban
danh de » hanh de, dan de, dang de
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
cua tu » cua tuc, cua su, cua cu
x hoi » o hoi, x ho, 5 hoi

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 tu nang ((x hoi) OR (xa hoi)). hieu ve cam xuc ban danh de ((cua tre) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu nang ((x hoi) OR (xa hoi)). hieu ve cam xuc ban danh de ((cua tre) or (cua tu))~".
• Adding a wildcard symbol may retrieve word variants: te sach tu nang ((x hoi) OR (xa hoi)). hieu ve cam xuc ban danh de ((cua tre) or (cua tu))*.