Perhaps you should try some spelling variations:
information sources » information resources, information services, information security
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
developpement l » developpement il, developpement la, developpement de
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
sources code » source code, sources model, sources de
l afrique » en afrique
code 2.7 » code 2.1, code 2.3, code 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology 4 information sources code 2.7 communication costs _ developpement l afrique.*.