Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
hieu va » lieu va
va hanh » van hanh, va thanh, va danh
ky sang » ky nang, ky dang, ky tang
lap hai » lap tai, lap lai, lap hoat
cam luc » cam xuc, cau luc
vi cua » vai cua, di cua
luc va » duc va, tuc va, loc va
so sac » so sach
so dac » so dan
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) or (so dac)) ky sang lap hai. ((hieu va) OR (hieu qua)) cam luc va hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sac) OR (so dac)) ky sang lap hai. ((hieu va) OR (hieu qua)) cam luc va hanh vi cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((so sac) or (so dac)) ky sang lap hai. ((hieu va) OR (hieu qua)) cam luc va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: ((so sac) or (so dac)) ky sang lap hai. ((hieu va) OR (hieu qua)) cam luc va hanh vi cua te*.