Perhaps you should try some spelling variations:
world comments » world contents, world community, world commonly
worlds come » worlds some, worlds home, worlds become
world come » world comes, world income, world coded
later line » later life, laser line, water line
line three » life three, linear three, one three
2008 iet » 2008 ieee

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 iet ((((((world come) OR (worlds come))) OR (world code))) OR (world comments)) later line three*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "2008 iet ((((((world come) OR (worlds come))) or (world code))) or (world comments)) later line three*".