Perhaps you should try some spelling variations:
covid communication » good communication, rapid communication, world communication
site development » sme development, mine development, estate development
communication 3 » communication _, communication a
technologies 3 » technologies _, technologies 4, technologies 2
development l » development li, development 1, development law
3 innovation » 2 innovation
l afrique » en afrique
3 site » 35 site, _ site, a site
3 has » 3 das, 3 gas, 1 has
_ has » _ his

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 3 innovation ((3 has) OR (_ has)) covid communication 3 site development l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 innovation ((3 has) OR (_ has)) covid communication 3 site development l afrique.*.