Perhaps you should try some spelling variations:
world papers » world part, world power, world peter
gas world » das world, gps world, wais world
papers 27 » papers 2, papers 7, papers 20
2008 gas » 2008 graz, 2008 a, 2008 a1
27 judge » _ judge, a judge, 27 june
a2 world » 2 world, 12 world, 32 world
2008 a2 » 2008 a
judge p » judge a, judge i, judge mr

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 gas world papers 27 judge _ ) OR ( 2008 a2 world papers 27 judge p )).
• Adding a wildcard symbol may retrieve word variants: (( 2008 gas world papers 27 judge _ ) or ( 2008 a2 world papers 27 judge p ))*.