Perhaps you should try some spelling variations:
new enabled » now enabled, e enabled, been enabled
halo world » hello world, carlo world, nano world
ilo world » two world, wto world, who world
case air » case pair, case aij, phase air
case ai » case aij, case a, case a0

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 ((ilo world) OR (halo world)) new enabled ((case air) OR (case ai)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "2008 ((ilo world) OR (halo world)) new enabled ((case air) or (case ai))".
• Adding a wildcard symbol may retrieve word variants: 2008 ((ilo world) OR (halo world)) new enabled ((case air) or (case ai))*.