Perhaps you should try some spelling variations:
prague london » plague london, league london, plague london's
london taken » london tavern
late prague » late plague, later plague, after prague
world late » world plate, world lake, world lately
2008 iet » 2008 ieee
2008 im » 2008 iso, 2008 acm

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 im) OR (2008 iet)) world late prague london taken.
• Adding a wildcard symbol may retrieve word variants: ((2008 im) or (2008 iet)) world late prague london taken*.