Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
urban development » human development
technologies de » technologies _, technologies 4, technologies 2
development eco » development second, development east, development menu
informatik und » information und, informations und, informationen und
de informatik » der informatik, die information, de informacion
costs urban » cost urban, across urban, crisis urban
eco afrique » en afrique
age data » wage data, cge data, image data
und age » fund age, und agc, und agent

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

• Adding a wildcard symbol may retrieve word variants: technologies de informatik und age data communications costs urban development eco afrique.*.