Perhaps you should try some spelling variations:
11.2.3 communication » 12.2.4 communication, 2.2.3 communication, 10.2.4 communication
le developpement » de developpement, sme development
developpement de » developpement des, developpement durable
prices 11.2.3 » process 11.2.3, prices 11.3.1, prices 7.2.3
technology 1 » technology _
1 inflation » 10 inflation, 12 inflation, _ inflation
de afrique » de l'afrique, en afrique, l afrique
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 1 inflation _ prices 11.2.3 communication costs le developpement de afrique.*.