Perhaps you should try some spelling variations:
language survival » language social, language services
plain language » latin language, italian language, persian language
survival rates » survival rate
plan language » planet language, can language, papuan language
lonely plain » lonely planet
lonely plan » lonely planet

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( lonely plan language survival _ ) or ( lonely plain language survival rates ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( lonely plan language survival _ ) OR ( lonely plain language survival rates )).
• Adding a wildcard symbol may retrieve word variants: (( lonely plan language survival _ ) or ( lonely plain language survival rates ))*.