Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
communication cost » communication costs, communication costa, communications costs
debts information » debt information, des information, gets information
dam developpement » de developpement, du developpement, au developpement
technology debts » technology debate, technology data, technology dlt
developpement en » developpement et, developpement des, developpement de
information 2 » information 3
cost dam » cost data, cost a, cost dna
2 areas » 1 areas, 2 areal, 4 areas

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

• Adding a wildcard symbol may retrieve word variants: technology debts information 2 areas case communication cost dam developpement en afrique.*.