Perhaps you should try some spelling variations:
covid communication » good communication, rapid communication, world communication
communication model » communication media
led developpement » le developpement, leur developpement, de developpement
developpement l » developpement il, developpement la, developpement de
technologies 1 » technologies _, technologies 4, technologies 2
information 19 » information 1.9, information 1, information 11
model led » model land, model law, model listed
l afrique » en afrique

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

• Adding a wildcard symbol may retrieve word variants: technologies 1 information 19 has covid communication model led developpement l afrique.*.