Perhaps you should try some spelling variations:
"online card research documents" » "online card search document", "online card research comments", "online card research catchments", "online care research documents", "online based research documents", "online car research documents", "online case research documents"
"online change research documents" » "online change search document", "online change research comments", "online change research catchments", "online chapter research documents", "online chat research documents", "online case research documents"
"online card research arguments" » "online card research catchments", "online card research students", "online card research elements", "online care research arguments", "online based research arguments", "online car research arguments", "online case research arguments"
"online rand research contents" » "online rand research content", "online rand research context", "online rand research concept", "online brand research contents", "online range research contents", "online ad research contents", "online band research contents", "online hand research contents"
"online rand research concepts" » "online rand research context", "online brand research concepts", "online range research concepts", "online ad research concepts", "online band research concepts", "online hand research concepts"

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: (((((("online card research documents") OR ("online card research arguments"))) OR ("online change research documents"))) OR ((("online rand research contents") OR ("online rand research concepts")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"online card research documents\") OR (\"online card research arguments\"))) or (\"online change research documents\"))) or (((\"online rand research contents\") or (\"online rand research concepts\"))))".
• Removing quotes may allow a broader search: (((((( online card research documents ) OR ( online card research arguments ))) or ( online change research documents ))) or ((( online rand research contents ) or ( online rand research concepts )))).
• Adding a wildcard symbol may retrieve word variants: (((((("online card research documents") OR ("online card research arguments"))) or ("online change research documents"))) or ((("online rand research contents") or ("online rand research concepts"))))*.