Perhaps you should try some spelling variations:
visual responses » legal responses, neural responses, individual responses
best world » post world, best worst, next world
net world » next world, text world, net worth
die error » doe error, drive error, wise error

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