Perhaps you should try some spelling variations:
research profession » research professional, research progression, research professionals
research professor » research progresson, research process, research prozess
research processes » research process, research procedures, research projects
research propels » research process, research prozess, research prospects

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: (((( ((research professor) OR (research profession)) ) OR ( research propels ))) OR ( research processes ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( ((research professor) OR (research profession)) ) or ( research propels ))) or ( research processes ))*".