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
technologies vs » technologies v, technologies _, technologies 4
4 communication » 3 communication, 5.4 communication, de communication
informal about » informal out, informal labor, informal group
medium scale » medium size
vs informal » _ 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 vs informal about 4 4 communication medium scale developpement en afrique.*.