Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
su sach » so sach, vu sach
ky sang » ky nang, ky dang, ky tang
lap hai » lap tai, lap lai, lap hoat
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
vi cua » vai cua, di cua
dan vi » doan vi, don vi, dan va
ca dan » cac dan, ca dao
cua tu » cua tuc, cua su, cua cu
luc ca » luc cao, luc cua, luc va
va cam » va cac, va cao, va cai
ve cam » ve cham, ve cac, ve cai

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 hai. hieu ((ve cam) or (((va cam) OR (va cham)))) luc ca dan vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky sang lap hai. hieu ((ve cam) OR (((va cam) OR (va cham)))) luc ca dan vi cua tu*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky sang lap hai. hieu ((ve cam) or (((va cam) OR (va cham)))) luc ca dan vi cua tu*".