Perhaps you should try some spelling variations:
communication methods » communication media, communication model
urban development » human development
technologies key » technologies any, technologies know, technologies _
key information » energy information
information e » information 2, information 1, information 11
a mobile » _ mobile
e a » et a

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

• Adding a wildcard symbol may retrieve word variants: technologies key information e a mobile communication methods urban development _ afrique.*.