Perhaps you should try some spelling variations:
research procedures » search procedures, research proceedings, research process
research processes » research process, research projects, research progress
search procedure » search procedures, search process

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 processes ) OR ((( research procedures ) OR ( search procedure )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( research processes ) or ((( research procedures ) OR ( search procedure ))))".
• Adding a wildcard symbol may retrieve word variants: (( research processes ) or ((( research procedures ) OR ( search procedure ))))*.