Perhaps you should try some spelling variations:
"research procedures" » "search procedures", "research proceedings", "research process", "research proceduress", "research processs"
"research professor" » "research profession", "research process", "research prozess"
"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 professor") OR ((("research processes") OR ((("research procedures") OR ("search procedure")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"research professor\") or (((\"research processes\") or (((\"research procedures\") OR (\"search procedure\"))))))".
• Removing quotes may allow a broader search: (( research professor ) or ((( research processes ) or ((( research procedures ) OR ( search procedure )))))).
• Adding a wildcard symbol may retrieve word variants: (("research professor") or ((("research processes") or ((("research procedures") OR ("search procedure"))))))*.