Perhaps you should try some spelling variations:
covid communication » good communication, rapid communication, world communication
mine development » sme development, trade development, business development
communication 3 » communication _, communication a
development lid » development led, development li, development lie
technologies 3 » technologies _, technologies 4, technologies 2
3 innovation » 2 innovation
lid afrique » l afrique
3 mine » _ mine, a mine, 3 mise
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 mine development lid afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 innovation ((3 has) OR (_ has)) covid communication 3 mine development lid afrique.*.