Perhaps you should try some spelling variations:
sang tao » hang tai
hanh lap » thanh lap, hanh lam, hanh cap
te sach » toc sach
cac ban » cac dan, cac van, can ban
cua tre » cua te, cuu tre, cua triet
coc ban » co ban, hoc ban, con ban
sach tu » sach thu, cach tu, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
tao hoi » tao khoi, tao boi, tay hoi
tu sang » thu sang, tu san, tu lang
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: te sach tu sang tao hoi. hieu ve cham ((coc ban) OR (cac ban)) hanh lap ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu sang tao hoi. hieu ve cham ((coc ban) OR (cac ban)) hanh lap ((cua tre) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu sang tao hoi. hieu ve cham ((coc ban) OR (cac ban)) hanh lap ((cua tre) or (cua tu))".
• Adding a wildcard symbol may retrieve word variants: te sach tu sang tao hoi. hieu ve cham ((coc ban) OR (cac ban)) hanh lap ((cua tre) or (cua tu))*.