Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, sang tai
cham luc » cham soc, nhan luc, cham cuu
so sach » so sanh, bo sach, co sach
ky sang » ky nang, ky dang, ky tang
lap hai » lap tai, lap lai, lap hoat
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va hanh, dia danh
doi cua » dai cua, hoi cua
di cua » dai cua, de cua, do cua
va dan » ca dan, va dao, va dau

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 cham luc ((va danh) or (va dan)) ((di cua) OR (doi cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky sang lap hai. hieu ve cham luc ((va danh) OR (va dan)) ((di cua) OR (doi cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky sang lap hai. hieu ve cham luc ((va danh) or (va dan)) ((di cua) OR (doi cua)) te".
• Adding a wildcard symbol may retrieve word variants: so sach ky sang lap hai. hieu ve cham luc ((va danh) or (va dan)) ((di cua) OR (doi cua)) te*.