Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology debts » technology debate, technology data, technology dlt
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
debts inflation » der inflation, does inflation, debt deflation
inflation case » inflation causes, inflation rate, inflation can
de afrique » de l'afrique, en afrique, l afrique
case case » base case, case based, use case
case 2.7 » case 2.3, case 2.1, case 2.2
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology debts inflation case case 2.7 communication costs le developpement de afrique.*.