Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
ky sang » ky nang, ky dang, duy sang
ky tang » ky nang, ky dang, kho tang
lap hai » lap tai, lap lai, lap hoat
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
ve cham » va cham, ve chat, vu cham
vi cua » vai cua, di cua
ve cam » ve cac, va cam, ve cai
luc va » duc 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) or (ky tang)) lap hai. hieu ((ve cam) OR (ve cham)) luc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ky sang) OR (ky tang)) lap hai. hieu ((ve cam) OR (ve cham)) luc va danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((ky sang) or (ky tang)) lap hai. hieu ((ve cam) OR (ve cham)) luc va danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ((ky sang) or (ky tang)) lap hai. hieu ((ve cam) OR (ve cham)) luc va danh vi cua te*.