Perhaps you should try some spelling variations:
"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 random search document" » "line random search document", "nonlinear random search document", "online freedom search document", "online brandom search document", "online bandom search document", "online handom search document"
"engine random search document" » "eine random search document", "engine room search document", "affine random 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 random search document") OR ("engine random search document"))) OR ("online rand research comments"))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"online random search document\") OR (\"engine random search document\"))) or (\"online rand research comments\"))*".
• Removing quotes may allow a broader search: (((( online random search document ) OR ( engine random search document ))) or ( online rand research comments ))*.