Perhaps you should try some spelling variations:
sang lap » sang tao, sang ma, dan lap
cham luc » cham soc, nhan luc, cham cuu
sang tai » hang tai, sang tao, tang tai
so sach » so sanh, bo sach, co sach
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
luc va » duc va, tuc va, loc va
vi cua » di cua

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) or (sang tai)) hai. hieu ve cham luc va hanh ((vi cua) or (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((sang lap) OR (sang tai)) hai. hieu ve cham luc va hanh ((vi cua) OR (vai cua)) te.
• Adding a wildcard symbol may retrieve word variants: so sach ky ((sang lap) or (sang tai)) hai. hieu ve cham luc va hanh ((vi cua) or (vai cua)) te*.