Perhaps you should try some spelling variations:
2.3.1 communication » 2.3.1.1 communication, 2.3 communication, 2.2.3 communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
technology park » technology parks
park inflation » peak inflation, market inflation, markup inflation
prices 2.3.1 » prices 2.3.4, prices 2.3.5, prices 2.3.6
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 park inflation _ prices 2.3.1 communication costs le developpement en afrique.*.