Perhaps you should try some spelling variations:
"research procedures" » "search procedures", "search procedure", "research processes"
"research prozess" » "research progress", "research propels", "research processes"
"research process" » "research progress", "research projects", "research problems"

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 procedures") OR ("research prozess"))) OR ("research process")).
• Removing quotes may allow a broader search: (((( research procedures ) or ( research prozess ))) or ( research process )).
• Adding a wildcard symbol may retrieve word variants: (((("research procedures") or ("research prozess"))) or ("research process"))*.