Perhaps you should try some spelling variations:
3.4.2 communication » 3.3.2 communication, 3.4.1 communication, 3.4.4 communication
technology price » technology rich, technology voice, technology service
de developpement » sme development
developpement de » developpement des, developpement durable
inflation times » inflation taxes, inflation crises, inflation rates
times past » time past, times pt, times ask
past 3.4.2 » past 3.3.2, east 3.4.1, past 1.1.2
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 price inflation times past 3.4.2 communication costs de developpement de afrique.*.