Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.3 communication » 3.2 communication, de communication, 4 communication
information rate » information ratio, information related, information matter
d1 developpement » de developpement, du developpement, le developpement
developpement l » developpement il, developpement la, developpement de
technology 1 » technology _
rate file » case file, rate fee, rate firm
l afrique » en afrique
file 2.3 » file 2.7, file 23, file 2.4.3
phase d1 » phase 1, phase de, phase der

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information rate file 2.3 communication phase d1 developpement l afrique.*.