Perhaps you should try some spelling variations:
banking paper » ranking papers, making paper, banking power
hans working » humans working, means working, plans working
word based » work based, keyword based
card based » carbon based
world hans » world has, world his, world have

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: (( ((word based) OR (card based)) banking paper ) OR ( world hans working paper )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((word based) OR (card based)) banking paper ) or ( world hans working paper ))".
• Adding a wildcard symbol may retrieve word variants: (( ((word based) OR (card based)) banking paper ) or ( world hans working paper ))*.