Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
van cham » van chat, van tham, va cham
hieu van » hieu va, thien van, lieu va
thanh de » hanh de, thanh ve, thanh do
cham xuc » cam xuc, chat xuc, cham soc
cua tre » cua te, cuu tre, cua triet
xuc ban » duc ban, cuc ban, quoc ban
sach tu » sach thu, sach ty, sach uu
cach tu » cach thuc
cua tu » cua tuc, cua su, cua cu
x hoi » xa hoi, o hoi, x ho

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