Perhaps you should try some spelling variations:
ban dang » ban hang, ban dan, van dang
tu sach » thu sach, su sach, te 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
dang de » dang deo, dung de, dang do
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
cua tu » cua tuc, cua su, cua cu

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 tu nang ((x ho) or (xa hoi)). hieu ve cam xuc ban dang de ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach tu nang ((x ho) OR (xa hoi)). hieu ve cam xuc ban dang de ((cua tre) OR (cua tu)).
• Adding a wildcard symbol may retrieve word variants: tu sach tu nang ((x ho) or (xa hoi)). hieu ve cam xuc ban dang de ((cua tre) or (cua tu))*.