Perhaps you should try some spelling variations:
covid communication » good communication, rapid communication, world communication
technologies a » technologies _, technologies 4, technologies 2
development li » development lid, development lie, development lin
a innovation » 2 innovation, 3 innovation, 4 innovation
innovation 3 » innovation 1, innovation 4
mass covid » cases covid, has covid
li afrique » l afrique, en afrique
3 mass » a mass, 1 mass, 3 maps
3 its » 3 icts, 3 it's, 2 its

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies a innovation 3 mass covid communication ((3 its) OR (_ its)) development li afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies a innovation 3 mass covid communication ((3 its) OR (_ its)) development li afrique.*.