Perhaps you should try some spelling variations:
communication costa » communication costs, communications costs, communication cote
information better » information letter, information center, information matter
3.5 communication » 3.2 communication, 3 communication, 2.3 communication
developpement de » developpement des, developpement durable
technologies de » technologies _, technologies 4, technologies 2
e developpement » de developpement, le developpement, et developpement
de information » die information, de informacion, e information
better water » better way
de afrique » de l'afrique, en afrique, l afrique
water 3.5 » water 3.3, water 3.2, water 3.1

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

• Adding a wildcard symbol may retrieve word variants: technologies de information better water 3.5 communication costa e developpement de afrique.*.