Perhaps you should try some spelling variations:
"online rand research documents" » "online rand search document", "online rand research arguments", "online rand research catchments", "online brand research documents", "online range research documents", "online card research documents", "online band research documents", "online hand research documents"
"online rand research comments" » "online rand research commons", "online rand research contents", "online rand research commentary", "online brand research comments", "online range research comments", "online card research comments", "online band research comments", "online hand research comments"
"online rand search or random search document" » "online ranked search or random search document", "online range search or random search document", "online trend search or random search document"

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