Perhaps you should try some spelling variations:
interaction theories » integration theories, interaction series, interaction theory
actor interaction » matter interaction, matter interactions, fiction interaction
training services » planning services, banking services
supply actor » supply factors, supply sector, supply donor
supply ann » supply annual, supply chain
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 ann) OR (supply a)) training services. ) or ( supply actor interaction theories. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( ((supply ann) OR (supply a)) training services. ) OR ( supply actor interaction theories. )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((supply ann) OR (supply a)) training services. ) or ( supply actor interaction theories. ))".
• Adding a wildcard symbol may retrieve word variants: (( ((supply ann) OR (supply a)) training services. ) or ( supply actor interaction theories. ))*.