Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh lap » thanh san, phan lap, thanh hai
cham luc » cham soc, nhan luc, cham cuu
sang tay » sang tao, sang tai, sang tac
cua tre » cuu tre, cua triet, dua tren
luc ban » duc ban, cuc ban, luc bat
tu cham » toc cham, thi cham
sach ty » sach tu, sach thu, xach tay
hieu tu » chieu tu, hieu tuc, hien tu
tay hoi » tay ho, tao hoi, tay thai
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 y)) sang tay hoi. hieu tu cham luc ban thanh lap ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach y)) sang tay hoi. hieu tu cham luc ban thanh lap ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) OR (sach y)) sang tay hoi. hieu tu cham luc ban thanh lap ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) OR (sach y)) sang tay hoi. hieu tu cham luc ban thanh lap ((cua tre) or (cua te))*.