Perhaps you should try some spelling variations:
"specialist periodical reports" » "specialized periodicals reports", "specialist medical reports", "specialist neurological reports", "specialist periodical returns", "specialist periodical record", "socialist periodical reports", "special periodical reports", "specialist speciesical reports"
"socialism periodicals reports" » "alcoholism periodicals reports", "society periodicals reports", "socialism political reports", "socialism periodical returns", "socialism periodicals part", "socialism periodical record"
"specialist period returns" » "socialist period returns", "special period returns", "specialist species returns", "specialist periodical returns"

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: (((("specialist periodical reports") OR ("socialism periodicals reports"))) OR ("specialist period returns")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"specialist periodical reports\") OR (\"socialism periodicals reports\"))) or (\"specialist period returns\"))".
• Removing quotes may allow a broader search: (((( specialist periodical reports ) OR ( socialism periodicals reports ))) or ( specialist period returns )).
• Adding a wildcard symbol may retrieve word variants: (((("specialist periodical reports") OR ("socialism periodicals reports"))) or ("specialist period returns"))*.