Perhaps you should try some spelling variations:
"online hand research documents" » "online hand search document", "online hand research comments", "online hand research catchments", "online rand research documents", "online land research documents", "online sand research documents", "online handel research documents", "online brand research documents", "online handels research documents"
"online band research arguments" » "online band research catchments", "online band research elements", "online band research agent", "online brand research arguments", "online bank research arguments", "online bond research arguments", "online bin research arguments", "online handel research arguments"
"online hate research students" » "online hate research studies", "online hate research instruments", "online hate research study", "online rate research students", "online state research students", "online taste research students", "online chat research students", "online health research students", "online handel research students"

You may be able to get more results by adjusting your search query.

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