Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
su sach » so sach, vu sach
lap hai » lap tai, lap lai, lap hoat
hieu ve » hieu va, hieu van
dinh vi » dinh ve, dinh viet, dinh thi
ve cac » va cac, vien cac
xuc va » tuc va, luc va, xac va
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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 _ sang lap hai. hieu ve cac ((xuc va) or (duc va)) dinh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach _ sang lap hai. hieu ve cac ((xuc va) OR (duc va)) dinh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: su sach _ sang lap hai. hieu ve cac ((xuc va) or (duc va)) dinh vi cua tu*.