Perhaps you should try some spelling variations:
information class » information classes, information case, information costs
3.2 communication » 3 communication, 2.3 communication, de communication
developpement de » developpement des, developpement durable
a information » 2 information, 1 information
class service » clasp service, cross service, gas service
technology a » technology 1, technology 3, technology 4
service 3.2 » services 3.2, service 3.3, service 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology a information class service 3.2 communication costs _ developpement de l'afrique.*.