Perhaps you should try some spelling variations:
internationale social » international social, international societal, international socialist
curve internationale » fur internationale, durch internationale, cause internationale
cointegration some » integration some, cointegration swap, cointegration study
test cointegration » test integration, _ cointegration, 5.3 cointegration
supply test » supply west, supply cost, supply 21st

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply test cointegration some. ) OR ( supply curve internationale social. ))~.
• Adding a wildcard symbol may retrieve word variants: (( supply test cointegration some. ) or ( supply curve internationale social. ))*.