Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
than lap » thanh lap, phan lap, toan lap
ban than » ban thanh, van thanh, ban hang
sang tay » sang tao, sang tai, sang tac
cua tre » cuu tre, cua triet, dua tren
luc ban » duc ban, cuc ban, luc bat
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ty » sach y, sach thu, xach tay
tay hoi » tay ho, tao hoi, tay thai
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 tay hoi. hieu ve cham luc ban than 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 tay hoi. hieu ve cham luc ban than lap ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) or (sach tu)) sang tay hoi. hieu ve cham luc ban than lap ((cua tre) or (cua te))*.