Perhaps you should try some spelling variations:
sample communication » example communication, complex communication, people communication
developpement de » developpement des, developpement durable
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
technology 2.2 » technology _, technology 1, technology 3
information 2 » information 3
de afrique » de l'afrique, en afrique, l afrique
d sample » a sample, 2 sample, 4 sample
2 d » 2 de, 2 3d, 2 do

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 2 d sample communication costs _ developpement de afrique.*.