Perhaps you should try some spelling variations:
mine development » sme development, trade development, business development
2 communication » 3 communication, 4 communication, 1 communication
communication 3 » communication _, communication a
technologies 3 » technologies _, technologies 4, technologies 2
3 informations » 3 information, 2 informations, 4 informations
development l » development li, development 1, development law
l afrique » en afrique
sur de » sur des, sur le, cur de
3 mine » _ mine, a mine, 3 mise
sur e » sur le, sur ce, fur e

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 informations ((sur e) OR (sur de)) 2 communication 3 mine development l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 3 informations ((sur e) OR (sur de)) 2 communication 3 mine development l afrique.*.