Perhaps you should try some spelling variations:
internationale politik » internationalen politik, internationaler politik, international politics
cause internationale » case international, das internationale, als internationale
can sanitation » tank sanitation, pay sanitation, urban sanitation
supply cause » supply case, supply curve, supply cost
supply can » supply chain, supply case, supply chai

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( supply can sanitation services. ) or ( supply cause internationale politik. ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( supply can sanitation services. ) OR ( supply cause internationale politik. )).
• Adding a wildcard symbol may retrieve word variants: (( supply can sanitation services. ) or ( supply cause internationale politik. ))*.