Perhaps you should try some spelling variations:
2.3.1 communication » 2.3.1.1 communication, 2.3 communication, 2.2.3 communication
de developpement » sme development
developpement de » developpement des, developpement durable
technology rate » technology state, technology role, technology related
rate inflation » grade inflation, wage inflation, age inflation
inflation can » inflation tax, inflation a, inflation co
prices 2.3.1 » prices 2.3.4, prices 2.3.5, prices 2.3.6
can prices » car prices, coal prices, corn prices
de afrique » de l'afrique, en afrique, l afrique
costs de » 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 rate inflation can prices 2.3.1 communication costs de developpement de afrique.*.