Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
va thanh » gia thanh, ban thanh, va tinh
tu sach » su sach, te sach, tu cach
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve pham » vi pham, v pham, ve phan
vai cua » dai cua, hai cua, lai cua
y lang » o lang, _ lang, tay lang
vi cua » di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (thu sach)) y lang xa hoi. hieu ve pham duc va thanh ((vi cua) OR (vai cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (thu sach)) y lang xa hoi. hieu ve pham duc va thanh ((vi cua) or (vai cua)) te~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (thu sach)) y lang xa hoi. hieu ve pham duc va thanh ((vi cua) or (vai cua)) te*.