Perhaps you should try some spelling variations:
active communication » reactive communication, proactive communication, actions communication
communication model » communication media
information means » information many, information media, information mart
urban development » human development
technologies 4 » technologies _
4 information » 2 information, 1 information
model urban » modern urban, modeling urban
3.2 active » 3.3 active, 2.2 active, 3.1 active
means 3.2 » means 4.2, means 3.2.3, means 6.3

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 information means 3.2 active communication model urban development _ afrique.*.