Perhaps you should try some spelling variations:
sang tao » hang tai
sang lap » sang ma, sang tai, dan lap
cham duc » pham duc, cham soc, pham duy
so sach » so sanh, bo sach, co sach
ve cham » va cham, ve chat, vu cham
vai cua » dai cua, hai cua, lai cua
va danh » va dinh, va dan, va hanh
hieu ve » hieu va, hieu van
sach ty » sach y, sach tu, sach thu
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 ty ((sang lap) or (sang tao)) hai. hieu ve cham duc va danh ((vi cua) OR (vai cua)) te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ty ((sang lap) OR (sang tao)) hai. hieu ve cham duc va danh ((vi cua) OR (vai cua)) te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ty ((sang lap) or (sang tao)) hai. hieu ve cham duc va danh ((vi cua) OR (vai cua)) te".
• Adding a wildcard symbol may retrieve word variants: so sach ty ((sang lap) or (sang tao)) hai. hieu ve cham duc va danh ((vi cua) OR (vai cua)) te*.