Perhaps you should try some spelling variations:
communication cost » communication costs, communication costa, communications costs
dam developpement » de developpement, du developpement, au developpement
developpement de » developpement des, developpement durable
i communication » ii communication, ai communication, 3 communication
information 2 » information 3
technology 1 » technology _
cost dam » cost data, cost a, cost dna
2 areas » 1 areas, 2 areal, 4 areas
areas i » areas _, areas a, areas 1

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

• Adding a wildcard symbol may retrieve word variants: technology 1 information 2 areas i communication cost dam developpement de l'afrique.*.