Perhaps you should try some spelling variations:
communication slaves » communication spaces, communication series, communication styles
technologies idds » technologies icts, technologies index, technologies iv
idds information » ids information, aids information, dis information
development case » development china
information 1.2 » information 1.5.2, information 2
4 communication » 3 communication, 5.4 communication, de communication
slaves human » places human, series human, wages human
case africa » cases africa, care africa, curse africa
1.2 dem » 1.2 der, 1.2 des, 1.2 de
dem 4 » dem _, dem 2, dem 1

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

• Adding a wildcard symbol may retrieve word variants: technologies idds information 1.2 dem 4 communication slaves human development case africa.*.