Perhaps you should try some spelling variations:
sang lap » sang tao, sang tai, dan lap
cham luc » cham soc, nhan luc, cham cuu
bo sach » co sach, hoc sach
va danh » va dinh, va dan, va hanh
ve cham » va cham, ve chat, vu cham
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
luc va » duc va, tuc va, loc va
vi cua » vai cua
di cua » dai cua, doi cua, de cua

You may be able to get more results by adjusting your search query.

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