Perhaps you should try some spelling variations:
"online hand research documents" » "online hand search document", "online hand research comments", "online hand research catchments", "online land research documents", "online brand research documents", "online gland research documents", "online band research documents", "online handel research documents"
"online sand research documents" » "online sand search document", "online sand research comments", "online sand research catchments", "online sands research documents", "online land research documents", "online island research documents", "online sind research documents", "online sale research documents", "online sao research documents"
"online rand research arguments" » "online rand research catchments", "online rand research students", "online rand research elements", "online brand research arguments", "online range research arguments", "online card research arguments", "online band research arguments", "online random 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 hand research documents") OR ("online sand research documents"))) OR ("online rand research arguments")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"online hand research documents\") OR (\"online sand research documents\"))) or (\"online rand research arguments\"))".
• Removing quotes may allow a broader search: (((( online hand research documents ) OR ( online sand research documents ))) or ( online rand research arguments )).
• Adding a wildcard symbol may retrieve word variants: (((("online hand research documents") OR ("online sand research documents"))) or ("online rand research arguments"))*.