Perhaps you should try some spelling variations:
technological open » technological model, technological power, technological options
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement la » developpement de, developpement et, developpement du
innovation node » innovation nodes, innovation code, innovation model
node money » more money, love money, one money
la afrique » l afrique, la fabrique, en afrique
money 6.2 » money 2

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

• Adding a wildcard symbol may retrieve word variants: technological open innovation node money 6.2 communication costs _ developpement la afrique.*.