Perhaps you should try some spelling variations:
stringer banking » during banking, server banking, strand banking
banking business » changing business, managing business, building business
stronger state » stronger stance, stronger starts, strong state
state using » states using, site using
using model » ising model, using mobile

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: (( stronger state using model ) OR ( stringer banking business models )).
• Adding a wildcard symbol may retrieve word variants: (( stronger state using model ) or ( stringer banking business models ))*.