Perhaps you should try some spelling variations:
communication based » communication united, communication brazil, communication barriers
urban development » human development
technologies a » technologies _, technologies 4, technologies 2
informatik der » information der, information oder, informatik und
development de » development d, development ds, developpement de
a informatik » a information, der informatik, 2.4 informatik
based urban » basic urban
de afrique » de l'afrique, en afrique, l afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies a informatik der does _ communication based urban development de afrique.*.