Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
lap hoat » tap hoa, dan hoat, lap dat
so sach » so sanh, bo sach, hoc sach
danh vi » hanh vi, dinh vi, danh di
co sach » bo sach, cuon sach, hoc sach
hieu ve » hieu va, hieu van
ve cam » ve cham, ve cac, va cam
luc va » duc va, loc va
tuc va » thuc va, truc va, tuc xa
y sang » _ sang, duy sang
vi cua » vai cua, di cua
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) OR (co sach)) y sang lap hoat. hieu ve cam ((luc va) or (tuc va)) danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) y sang lap hoat. hieu ve cam ((luc va) OR (tuc va)) danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sach) OR (co sach)) y sang lap hoat. hieu ve cam ((luc va) or (tuc va)) danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((so sach) OR (co sach)) y sang lap hoat. hieu ve cam ((luc va) or (tuc va)) danh vi cua te*.