Perhaps you should try some spelling variations:
communication medium » communication mediums, communication media, communications media
scale developpement » scale development, le developpement, animale developpement
developpement en » developpement et, developpement des, developpement de
4 communication » 3 communication, 5.4 communication, de communication
technologies 4 » technologies _
informal about » informal out, informal labor, informal group
medium scale » medium size
4 informal » 4 informale, _ informal, 3 informal
about 4 » about _, about a, about 2

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

• Adding a wildcard symbol may retrieve word variants: technologies 4 informal about 4 4 communication medium scale developpement en afrique.*.