Perhaps you should try some spelling variations:
4.2 developpement » 4.2 development, de developpement, le developpement
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
developpement de » developpement des, developpement durable
inflation cases » inflation causes, inflation crises, inflation rates
technology 2.2 » technology _, technology 1, technology 3
2.2 inflation » 2.3 inflation, 3.2 inflation, 2.2.4 inflation
cases case » causes case, case case, crises case
de afrique » de l'afrique, en afrique, l afrique
case 4.2 » case 4.1, case 2

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 inflation cases case 4.2 communication costs 4.2 developpement de afrique.*.