Perhaps you should try some spelling variations:
5.4 communication » de communication, data communication
developpement de » developpement des, developpement durable
isolation rates » inflation rates, visitation rates, inflation rate
technology 3.2 » technology 2.2, technology 3.1, technology 2
3.2 isolation » 2.2 isolation, 3.1 isolation, 3.3 isolation
rates case » rates cape, states case, rates east
de afrique » de l'afrique, en afrique, l afrique
case 5.4 » case 5.2, case 5.3, case 1.4

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

• Adding a wildcard symbol may retrieve word variants: technology 3.2 isolation rates case 5.4 communication costs _ developpement de afrique.*.