Perhaps you should try some spelling variations:
visual regions » visual response, visual neurons, visual responses
errors visual » error visual, errors virtual, priors visual
time errors » some errors, runtime errors
best world » best worst, next world, just world
net world » next world, text world, net worth

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 world) OR (((best world) OR (post world)))) time errors visual regions.
• The words AND, OR and NOT may confuse the search; try adding quotes: "2008 ((net world) or (((best world) OR (post world)))) time errors visual regions".
• Adding a wildcard symbol may retrieve word variants: 2008 ((net world) or (((best world) OR (post world)))) time errors visual regions*.