Perhaps you should try some spelling variations:
interaction theories » integration theories, interaction series, interaction theory
training services » planning services, banking services
actor interaction » matter interaction, matter interactions, fiction interaction
ann training » can training, 3 training, 3.3 training
supply actor » supply factors, supply sector, supply donor
supply ann » supply a, supply annual, supply chain

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 training services. ) or ( supply actor interaction theories. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply ann training services. ) OR ( supply actor interaction theories. )).
• Adding a wildcard symbol may retrieve word variants: (( supply ann training services. ) or ( supply actor interaction theories. ))*.