Perhaps you should try some spelling variations:
"research professionals" » "resource professionals", "researching professional", "resources professionals", "researching professionals", "health professionals"
"research professional" » "researching professional", "resources professional", "health professional"
"research processes" » "research process", "research procedures", "research projects"

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 professionals") OR ("research professional")))).
• Removing quotes may allow a broader search: (( research processes ) or ((( research professionals ) or ( research professional )))).
• Adding a wildcard symbol may retrieve word variants: (("research processes") or ((("research professionals") or ("research professional"))))*.