Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
4 communications » 14 communications, 4 communication, 2 communications
developpement la » developpement de, developpement et, developpement du
der information » insider information, sector information, labor information
technology der » technology does, technology 4ir, technology dlt
access prices » access services, access policies, access devices
la afrique » l afrique, la fabrique, en afrique
prices 4 » prices _, prices a, prices 3

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

• Adding a wildcard symbol may retrieve word variants: technology der information access prices 4 communications costs _ developpement la afrique.*.