Perhaps you should try some spelling variations:
motion theory » action theory, motivation theory
de images » de imagens, de imagem, we images
2008 net » 2008 next, 2008 new
2008 1st » 2008 21st, 2008 11th, 2008 10th
de image » de imagem, de imagen, die image

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: ((2008 net) OR (2008 1st)) world ((de image) OR (de images)) motion theory.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((2008 net) or (2008 1st)) world ((de image) OR (de images)) motion theory".
• Adding a wildcard symbol may retrieve word variants: ((2008 net) or (2008 1st)) world ((de image) OR (de images)) motion theory*.