Perhaps you should try some spelling variations:
development numerical » development nigeria, development empirical, development mexican
ngo communication » togo communications, de communication, 3 communication
urban development » human development
technologie die » technologie de, technologie im, technologie der
die integration » trade integration
integration de » integration der, integration des, l'integration de
numerical case » numerical value, numerical basic, america case
costs urban » cost urban, across urban, crisis urban
des ngo » des neo
de des » ende des, rede des, code des

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

• Adding a wildcard symbol may retrieve word variants: technologie die integration de des ngo communication costs urban development numerical case.*.