Perhaps you should try some spelling variations:
planet language » planned languages, plain language, present language
plans language » plain language, pilots language, can language
social kind » social kinds, social mind, special kind
social kit » social aid, social big, social audit
social act » social pact, social fact, social actor

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

• Performing a fuzzy search may retrieve terms with similar spellings: lonely ((plans language) OR (planet language)) ((((social kit) or (social kind))) or (social act))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: lonely ((plans language) OR (planet language)) ((((social kit) OR (social kind))) OR (social act)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "lonely ((plans language) OR (planet language)) ((((social kit) or (social kind))) or (social act))".
• Adding a wildcard symbol may retrieve word variants: lonely ((plans language) OR (planet language)) ((((social kit) or (social kind))) or (social act))*.