Perhaps you should try some spelling variations:
vision theory » decision theory, action theory, dimension theory
net world » next world, best world, text world
de images » de imagens, de imagem, we images
2008 net » 2008 next, 2008 new, 2008 1st
de image » de imagem, de imagen, die image

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "2008 net world ((de image) OR (de images)) vision theory".
• Adding a wildcard symbol may retrieve word variants: 2008 net world ((de image) OR (de images)) vision theory*.