Perhaps you should try some spelling variations:
data communication » data communications
communication two » communication togo, communication tool, communication tools
au developpement » du developpement, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
typologies 4.2 » typologies 3.2, typologies 4.4, typologies 2.3
4.2 variations » 3.2 variations, 4.3 variations, 4.3.2 variations
other data » weather data

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

• Adding a wildcard symbol may retrieve word variants: typologies 4.2 variations _ other data communication two au developpement en afrique.*.