Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
va danh » va dinh, va hanh, dia danh
hieu ve » hieu va, hieu van
cam luc » cam xuc, cau luc
lap hai » lap tai, lap lai, lap hoat
ky sang » ky dang, ky tang, duy sang
ve cam » ve cham, ve cac, va cam
va dan » ca dan, va dao, va dau
di cua » dai cua, doi cua, de 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) OR (ky nang)) lap hai. hieu ve cam luc ((va danh) or (va dan)) di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ((ky sang) OR (ky nang)) lap hai. hieu ve cam luc ((va danh) OR (va dan)) di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ((ky sang) OR (ky nang)) lap hai. hieu ve cam luc ((va danh) or (va dan)) di cua te".
• Adding a wildcard symbol may retrieve word variants: so sach ((ky sang) OR (ky nang)) lap hai. hieu ve cam luc ((va danh) or (va dan)) di cua te*.