Perhaps you should try some spelling variations:
"research profession" » "research professional", "research progression", "research professionals"
"research professor" » "research process", "research prozess", "search processor"
"research processes" » "research process", "research procedures", "research projects"
"research progress" » "research program", "research project", "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 professor") OR ("research profession"))) OR ("research progress"))) OR ("research processes")).
• Removing quotes may allow a broader search: (((((( research professor ) or ( research profession ))) or ( research progress ))) or ( research processes )).
• Adding a wildcard symbol may retrieve word variants: (((((("research professor") or ("research profession"))) or ("research progress"))) or ("research processes"))*.