Perhaps you should try some spelling variations:
"online card research documents" » "online card research arguments", "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 random search document" » "engine random search document", "line random search document", "nonlinear random search document", "online brandom search document", "online bandom search document", "online rapidom search document"
"online rand search document" » "online brand search document", "online band search document", "online rapid search document", "online ranked search document", "online rand research document", "online range search document"
"online hand search document" » "online band search document", "online handel search document", "online brand search document", "online hana search document", "online hard search document", "online paid search document"

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