Perhaps you should try some spelling variations:
"specialist periodical vendors" » "specialized periodicals vendors", "socialism periodicals vendors", "specialist medical vendors", "specialist periodical error", "specialist periodical record", "socialist periodical vendors", "special periodical vendors", "specialist speciesical vendors"
"specialist periodical returns" » "specialized periodicals returns", "socialism periodicals returns", "specialist medical returns", "specialist periodical sets", "socialist periodical returns", "special periodical returns", "specialist speciesical returns"
"socialist periodical vendors" » "socialism periodicals vendors", "socialist period vendors", "socialist political vendors", "socialist periodical error", "socialist periodical record"
"socialist periodical returns" » "socialism periodicals returns", "socialist period returns", "socialist political returns", "socialist periodical sets"
"specialist period returns" » "socialist period returns", "special period returns", "specialist species 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 vendors") OR ("socialist periodical vendors"))) OR ((((("specialist periodical returns") OR ("socialist periodical returns"))) OR ("specialist period returns")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"specialist periodical vendors\") or (\"socialist periodical vendors\"))) or (((((\"specialist periodical returns\") OR (\"socialist periodical returns\"))) or (\"specialist period returns\"))))".
• Removing quotes may allow a broader search: (((( specialist periodical vendors ) or ( socialist periodical vendors ))) or ((((( specialist periodical returns ) OR ( socialist periodical returns ))) or ( specialist period returns )))).
• Adding a wildcard symbol may retrieve word variants: (((("specialist periodical vendors") or ("socialist periodical vendors"))) or ((((("specialist periodical returns") OR ("socialist periodical returns"))) or ("specialist period returns"))))*.