Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
so sach » so sanh, bo sach, co sach
ky sang » ky nang, ky dang, ky tang
lap hai » lap tai, lap lai, lap hoat
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
danh di » danh du, xanh di, danh dien
di cua » dai cua, doi cua, de cua
luc va » tuc va, loc va
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: so sach ky sang lap hai. ((hieu ve) or (hieu qua)) cam ((luc va) or (duc va)) danh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky sang lap hai. ((hieu ve) OR (hieu qua)) cam ((luc va) OR (duc va)) danh di cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ky sang lap hai. ((hieu ve) or (hieu qua)) cam ((luc va) or (duc va)) danh di cua te*.