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
de developpement » sme development
developpement de » developpement des, developpement durable
technology more » technology moral, technology make, technology mara
inflation goods » inflation good, inflation gross, information goods
more inflation » core inflation, money inflation, more information
goods prices » goods services, gas prices
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 de » case des, case d, case d1

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

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