Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
hieu van » thien van, lieu va
van hanh » van thanh, ban hanh, van anh
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
ky sang » ky nang, ky dang, ky tang
lap hai » lap tai, lap lai, lap hoat
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
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 hai. ((((hieu ve) or (hieu van))) or (hieu va)) cam xuc van hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky sang lap hai. ((((hieu ve) OR (hieu van))) OR (hieu va)) cam xuc van hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ky sang lap hai. ((((hieu ve) or (hieu van))) or (hieu va)) cam xuc van hanh vi cua te*.