Perhaps you should try some spelling variations:
urban development » human development
a communication » la communication, data communication, data communications
technologies a » technologies _, technologies 4, technologies 2
informatik der » information der, information oder, informatik und
a informatik » a information, der informatik, 2.4 informatik
costs urban » cost urban, across urban, crisis urban
der des » oder des, der de, der den
des a » des ag, des _, des 3

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies a informatik der des a communication costs urban development _ afrique.~.
• Adding a wildcard symbol may retrieve word variants: technologies a informatik der des a communication costs urban development _ afrique.*.