Perhaps you should try some spelling variations:
1990s communication » 10 communication, 19 communication, 1970s communicating
communication modes » communication model, communication des, communication media
developpement en » developpement et, developpement des, developpement de
2 developpement » de developpement, le developpement, et developpement
technology 1.1 » technology 3.1, technology 2.1, technology 4.1
1.1 integrated » 1.18 integrated, 1.3 integrated, 11 integrated
framework 5 » framework 3, framework 4, framework 2.1
5 1990s » _ 1990s
modes 2 » models 2, modes _, modes 3

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

• Adding a wildcard symbol may retrieve word variants: technology 1.1 integrated framework 5 1990s communication modes 2 developpement en afrique.*.