Perhaps you should try some spelling variations:
lap hoat » tap hoa, dan hoat, lap dat
so sach » so sanh, bo sach, co sach
dinh vi » dinh ve, dinh viet, dinh tri
danh vi » hanh vi, danh di, danh va
cam luc » cam xuc, cau luc
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
lap hai » lap tai, lap lai, lanh hai
ky dang » ky nang, ky danh
ve cam » ve cham, ve cac, va cam
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 dang ((lap hai) OR (lap hoat)). hieu ve cam luc va ((danh vi) or (dinh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky dang ((lap hai) OR (lap hoat)). hieu ve cam luc va ((danh vi) OR (dinh vi)) cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky dang ((lap hai) OR (lap hoat)). hieu ve cam luc va ((danh vi) or (dinh vi)) cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ky dang ((lap hai) OR (lap hoat)). hieu ve cam luc va ((danh vi) or (dinh vi)) cua te*.