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