Perhaps you should try some spelling variations:
information sources » information resources, information services, information security
3.2 communication » 3 communication, 2.3 communication, de communication
developpement et » developpement des, developpement de, development east
4 information » 2 information, 1 information
technology 4 » technology _, technology 1, technology 3
sources code » source code, sources model, sources de
et afrique » en afrique, l afrique
code 3.2 » codes 3.2, code 3.1, mode 3.2

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 3.2 communication costs _ developpement et afrique.*.