Perhaps you should try some spelling variations:
"_ corporation medical report series" » "_ corporation america report series", "_ corporation ethical report series", "_ corporation fedoral report series", "_ corporation medical reports series", "_ corporation medical record series", "_ corporation medical records series", "_ corporation medical report server"
"_ operation technical report series" » "_ operations technical report series", "_ iteration technical report series", "_ operative technical report series", "_ operation technical report server", "_ operating technical report series"

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: (("_ corporation medical report series") OR ("_ operation technical report series")).
• Removing quotes may allow a broader search: (( _ corporation medical report series ) or ( _ operation technical report series )).
• Adding a wildcard symbol may retrieve word variants: (("_ corporation medical report series") or ("_ operation technical report series"))*.