Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
ky sang » ky nang, ky dang, ky tang
lap lai » lap tai, lay lai, lam lai
hieu va » lieu va, hieu qua
danh vi » hanh vi, dinh vi, danh di
loc va » hoc va
vi cua » vai cua, di cua
so sac » so sach, so dac
luc va » duc va, tuc va
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
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 sac ky sang lap lai. hieu va cam ((luc va) or (loc va)) danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sac ky sang lap lai. hieu va cam ((luc va) OR (loc va)) danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: so sac ky sang lap lai. hieu va cam ((luc va) or (loc va)) danh vi cua te*.