Perhaps you should try some spelling variations:
developpement desde » developpement des, developpement de, developpement d'une
das developpement » des developpements, de developpement, du developpement
information speed » information sheet, information needed, information needs
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
communication 1 » communication _, communication a, communication 3
technology 2.2 » technology _, technology 1, technology 3
speed per » speed re
per mass » per class, over mass, air mass

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information speed per mass communication 1 das developpement desde america.*.