Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
lap hoat » tap hoa, dan hoat, lap dat
su sach » so sach, vu sach
ky sang » ky nang, ky dang, ky tang
hieu va » lieu va, hieu qua
sach ky » sac ky, sach y, sach ty
danh vi » hanh vi, dinh vi, danh di
cua te » cua tu
luc va » duc va, tuc va
loc va » hoc va
va cam » va cham, va cac, va cao
cua cu » cua chu, cua cau, cua su

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky sang lap hoat. hieu va cam ((luc va) or (loc va)) danh vi ((cua te) or (cua cu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang lap hoat. hieu va cam ((luc va) OR (loc va)) danh vi ((cua te) OR (cua cu)).
• Adding a wildcard symbol may retrieve word variants: su sach ky sang lap hoat. hieu va cam ((luc va) or (loc va)) danh vi ((cua te) or (cua cu))*.