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 car research documents", "online case research documents"
"online based research documents" » "online based search document", "online based research comments", "online based research catchments", "online basic research documents", "line based research documents", "spline based research documents", "online band research documents"
"online card research arguments" » "online card research catchments", "online card research students", "online card research elements", "online care research arguments", "online car research arguments", "online case research arguments"

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