Perhaps you should try some spelling variations:
"online rand research documents" » "online rand search document", "online rand research arguments", "online rand research comments", "online brand research documents", "online range research documents", "online card research documents", "online hand research documents", "online random research documents"
"online band research contents" » "online band research content", "online band research context", "online band research concept", "online brand research contents", "online bank research contents", "online bond research contents", "online bin research contents", "online handel research contents"
"online band research concepts" » "online band research context", "online brand research concepts", "online bank research concepts", "online bond research concepts", "online bin research concepts", "online handel research concepts"
"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 band research contents") OR ("online band research concepts"))))) 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 band research contents\") OR (\"online band research concepts\"))))) or (\"online ((rand search) or (random search)) document\"))".
• Removing quotes may allow a broader search: (((( online rand research documents ) or ((( online band research contents ) OR ( online band research concepts ))))) or ( online ((rand search) or (random search)) document )).
• Adding a wildcard symbol may retrieve word variants: (((("online rand research documents") or ((("online band research contents") OR ("online band research concepts"))))) or ("online ((rand search) or (random search)) document"))*.