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

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.")).
• Removing quotes may allow a broader search: (( 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."))*.