Perhaps you should try some spelling variations:
communication cross » communication costs
data communication » data communications
urban development » human development
information und » informations und
development eco » development second, development east, development menu
technologies 2 » technologies _, technologies 4
cross urban » across urban, crisis urban, cairo's urban
eco afrique » en afrique
agent data » patent data, event data, age data
und agent » und agenten, und agency, und agenda

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

• Adding a wildcard symbol may retrieve word variants: technologies 2 information und agent data communication cross urban development eco afrique.*.