Perhaps you should try some spelling variations:
visual responses » local responses, legal responses, neural responses
error visual » mirror visual, prior visual, errors virtual
best world » post world, next world, just world
best worst » best first
time error » time errors
net forth » set forth, net worth, fet forth

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