Perhaps you should try some spelling variations:
sang lap » sang ma, sang tai, dan lap
sang tao » hang tai
so sach » so sanh, bo sach, co sach
danh vi » hanh vi, dinh vi, danh di
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
xuc va » duc va, tuc va, xac va
luc va » duc va, tuc va, loc va
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 ky ((sang lap) or (sang tao)) hai. hieu ve cham ((xuc va) OR (luc va)) danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((sang lap) OR (sang tao)) hai. hieu ve cham ((xuc va) OR (luc va)) danh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((sang lap) or (sang tao)) hai. hieu ve cham ((xuc va) OR (luc va)) danh vi cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((sang lap) or (sang tao)) hai. hieu ve cham ((xuc va) OR (luc va)) danh vi cua te*.