Perhaps you should try some spelling variations:
communication slaves » communication spaces, communication series, communication styles
technologies idds » technologies icts, technologies index, technologies iv
5.4 communication » de communication, data communication
urban development » human development
idds information » ids information, aids information, dis information
information 2 » information 3
slaves urban » spaces urban, frames urban, lands urban
china africa » cpia africa, china asia
2 dem » 2 der, _ dem, 2 des

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

• Adding a wildcard symbol may retrieve word variants: technologies idds information 2 dem 5.4 communication slaves urban development china africa.*.