Perhaps you should try some spelling variations:
van doanh » toan doanh, van dong, van thanh
cac thoi » cac toi, cac hop, cac tro
va doanh » vay doanh, va danh, hoa doanh
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
cac toc » cac toi, cac nuoc
dan cua » dan ca, ban cua, dai cua
cua te » cua tu

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 ky lang xa hoi. lieu va ((cac toc) OR (cac thoi)) ((va doanh) OR (van doanh)) dan cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. lieu va ((cac toc) or (cac thoi)) ((va doanh) OR (van doanh)) dan cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. lieu va ((cac toc) or (cac thoi)) ((va doanh) OR (van doanh)) dan cua te*.