Perhaps you should try some spelling variations:
thu sach » thuat sach, thuoc sach, thu hoach
phan duc » pham duc, phan tu, phan dau
va kinh » va tinh, qua kinh
va dinh » van dinh, va tinh, vu dinh
hieu ve » hieu va, hieu van
ve phan » va phan, ke phan, ve phat
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
tu sach » su sach, te sach, tu cach
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de 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: ((thu sach) OR (tu sach)) ky lang xa hoi. hieu ve phan duc ((va dinh) OR (va kinh)) di cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu sach) or (tu sach)) ky lang xa hoi. hieu ve phan duc ((va dinh) OR (va kinh)) di cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu sach)) ky lang xa hoi. hieu ve phan duc ((va dinh) OR (va kinh)) di cua tre*.