Perhaps you should try some spelling variations:
interaction series » interactions series, interaction studies, interaction terms
costs interaction » cases interaction, host interaction, tests interaction
crisis motivation » thesis motivation, crisis situation, groups motivation
motivation theory » motivation der, innovation theory
supply crisis » supply credit, supply rise, supply risk

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply costs interaction series. ) or ( supply crisis motivation theory. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply costs interaction series. ) OR ( supply crisis motivation theory. )).
• Adding a wildcard symbol may retrieve word variants: (( supply costs interaction series. ) or ( supply crisis motivation theory. ))*.