Perhaps you should try some spelling variations:
thanh va » thanh van, hanh va, thanh ha
toc sach » hoc sach, doc sach, thuoc sach
thanh vi » hanh vi, thanh ve, nhanh vi
ve pham » vi pham, v pham, ve phan
duc gia » quoc gia
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang
cuu tre » cua tre, cau tren, cau treo

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: ((te sach) OR (toc sach)) ty lang xa hoi. hieu ve pham duc gia ((thanh vi) OR (thanh va)) cuu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty lang xa hoi. hieu ve pham duc gia ((thanh vi) or (thanh va)) cuu tre~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ty lang xa hoi. hieu ve pham duc gia ((thanh vi) or (thanh va)) cuu tre*.