Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
phan lap » phan dau
ban phan » ban phap, van phan, ban than
sang tao » hang tai
cua tre » cuu tre, cua triet, dua tren
soc ban » hoc ban, coc ban, so ban
sach ty » sach y, sach thu, xach tay
tao hoi » tao khoi, tao boi, tay hoi
sach tu » sach thu, cach tu, sach uu
cua te » cua tu

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) or (sach tu)) sang tao hoi. hieu van cham soc ban phan lap ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach tu)) sang tao hoi. hieu van cham soc ban phan lap ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach tu)) sang tao hoi. hieu van cham soc ban phan lap ((cua tre) or (cua te))*.