Perhaps you should try some spelling variations:
2.3.4 communication » 12.2.4 communication, 12.4.4 communication, 2.3 communication
communication case » communications case, communication based, communication phase
technology 2.2.3 » technology 1.2.3, technology 2.1.3, technology 2.2.2
developpement de » developpement des, developpement durable
2.2.3 inflation » 2.2.4 inflation, 2.3.1 inflation, 3.3.3 inflation
d developpement » de developpement, du developpement, le developpement
prices 2.3.4 » prices 2.3.1, prices 2.3.5, prices 2.3.6
de afrique » de l'afrique, en afrique, l afrique
case d » case 1, case 2, case 3

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2.3 inflation _ prices 2.3.4 communication case d developpement de afrique.*.