Perhaps you should try some spelling variations:
"_ corporation technological report series" » "_ corporations technological report series", "_ collaboration technological report series", "_ incorporating technological report series", "_ corporation technological reform series", "_ corporation technological support series", "_ corporation technologies report series", "_ corporation technological 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"

Try widening your search to All Fields.

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