Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
danh vi » dinh vi, danh di, danh va
cam duc » cam xuc, cao duc, pham duc
hieu ve » hieu va, hieu van
lap hai » lap tai, lap lai, lap hoat
ky dang » ky nang, ky danh
ky sang » ky nang, ky tang, duy sang
ve cam » ve cham, ve cac, va cam
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) or (ky dang)) lap hai. hieu ve cam duc va ((danh vi) or (hanh vi)) cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ky sang) OR (ky dang)) lap hai. hieu ve cam duc va ((danh vi) OR (hanh vi)) cua te.
• Adding a wildcard symbol may retrieve word variants: so sach ((ky sang) or (ky dang)) lap hai. hieu ve cam duc va ((danh vi) or (hanh vi)) cua te*.