Perhaps you should try some spelling variations:
interaction series » interactions series, interaction studies, interaction terms
ban regulating » bank regulations, bank regulation, can regulations
supply layer » supply based, supply latin, supply law
supply case » supply cost, supply chain, supply curve
supply ban » supply urban, supply a, supply gap

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply ban regulating services. ) or ( ((supply layer) OR (supply case)) interaction series. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply ban regulating services. ) OR ( ((supply layer) OR (supply case)) interaction series. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( supply ban regulating services. ) or ( ((supply layer) OR (supply case)) interaction series. ))".
• Adding a wildcard symbol may retrieve word variants: (( supply ban regulating services. ) or ( ((supply layer) OR (supply case)) interaction series. ))*.