Perhaps you should try some spelling variations:
communication cross » communication costs
urban development » human development
technologies 3.1 » technologies 2.1, technologies 3.2, technologies _
ec communication » de communication, 3 communication, 4 communication
information und » informations und
development l » development li, development 1, development law
cross urban » across urban, crisis urban, cairo's urban
und model » und modell, fund model, end model
l afrique » en afrique
model ec » model ecm, model ee, model em

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

• Adding a wildcard symbol may retrieve word variants: technologies 3.1 information und model ec communication cross urban development l afrique.*.