Perhaps you should try some spelling variations:
societal levels » societal level, social level
societal needs » social needs, societal norms
yanling yang » yang yang, ying yang
tan long » tan hong, tan kong, tan yong
long seo » hong seo, long ago, long des
tan tan » tas tan, tin tan, tang tang

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: (wing OR wan) yanling yang ((societal needs) OR (societal levels)) tan tan long seo ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wing or wan) yanling yang ((societal needs) OR (societal levels)) tan tan long seo ;~".
• Adding a wildcard symbol may retrieve word variants: (wing or wan) yanling yang ((societal needs) OR (societal levels)) tan tan long seo ;*.