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
text world » next world, text word
best world » post world, best worst, next world
net world » next world, net worth, net works

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