Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
7.5 communications » 3.5 communication, 2.5 communication, 3.1 communications
developpement la » developpement de, developpement et, developpement du
3 information » 1 information
technology 3 » technology _, technology 1, technology 4
model credit » models credit, total credit, de credit
credit 7.5 » credit 2.2, credit 2.3, credit 3.6
la afrique » l afrique, la fabrique, en afrique

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

• Adding a wildcard symbol may retrieve word variants: technology 3 information model credit 7.5 communications costs _ developpement la afrique.*.