Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
su sach » so sach, vu sach
ty sang » ty xang, ty hang, duy sang
lap hai » lap tai, lap lai, lap hoat
vai cua » dai cua, hai cua, lai cua
sach ty » sach y, sach tu, sach thu
ve cham » va cham, ve chat, vu cham
va don » va dong, va doc, va do
vi cua » di cua
luc va » duc va, tuc va, loc va
ve cam » ve cac, va cam, 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 ty sang lap hai. hieu ((ve cam) OR (ve cham)) luc va don ((vi cua) or (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty sang lap hai. hieu ((ve cam) OR (ve cham)) luc va don ((vi cua) OR (vai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty sang lap hai. hieu ((ve cam) OR (ve cham)) luc va don ((vi cua) or (vai cua)) te".
• Adding a wildcard symbol may retrieve word variants: su sach ty sang lap hai. hieu ((ve cam) OR (ve cham)) luc va don ((vi cua) or (vai cua)) te*.