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 3.3 » typologies 2.3, typologies 3.2, typologies 6.3
3.3 variation » 3.3 validation, 6.4 variation, 6.3.5 variation
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 3.3 variation _ other data communication two au developpement en afrique.*.