Perhaps you should try some spelling variations:
connecting features » connecting nature, connecting factors, connecting farms
4 communication » 3 communication, 5.4 communication, de communication
technologies 4 » technologies _
development l » development li, development 1, development law
4 connecting » _ connecting, 2 connecting, 8 connecting
features gas » features game, features a, features based
l afrique » en afrique
gas 4 » gas _, gas a, mas 4
3 sme » 3 same, 3 smt, 5 sme
_ sme » _ smes

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 4 connecting features gas 4 communication ((3 sme) OR (_ sme)) development l afrique.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 connecting features gas 4 communication ((3 sme) OR (_ sme)) development l afrique.*.