Perhaps you should try some spelling variations:
interaction series » interactions series, interaction studies, interaction terms
layer interaction » players interactions, matter interaction, user interaction
supply layer » supply case, supply based, supply latin
supply ban » supply urban, supply gap, supply gas
supply a » supply _

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