Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
toc sach » hoc sach, doc sach, thuoc sach
va thanh » gia thanh, ban thanh, va tinh
sach ty » sach y, sach tu, sach thu
xang xa » lang xa, mang xa, ang xa
van cam » van nam, van lam, van dam
van cau » van dau, van hau, van chat
thuc va » thuc vat, thuc dan, thuc day
cuu tre » cau tren, cau treo
cua tre » cua te, cua triet, dua tren

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: toc sach ty xang xa hoi. hieu ((van cam) OR (van cau)) thuc va thanh tai ((cuu tre) OR (cua tre))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ty xang xa hoi. hieu ((van cam) or (van cau)) thuc va thanh tai ((cuu tre) OR (cua tre))~".
• Adding a wildcard symbol may retrieve word variants: toc sach ty xang xa hoi. hieu ((van cam) or (van cau)) thuc va thanh tai ((cuu tre) OR (cua tre))*.