Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement de » developpement des, developpement durable
inflation rates » inflation rate
technology 4ir » technology 4, technology 4.1, technology 4.2
4ir inflation » der inflation, die inflation, aid inflation
de afrique » de l'afrique, en afrique, l afrique
east 6.2 » east 12, east 2.1, east 4.3

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

• Adding a wildcard symbol may retrieve word variants: technology 4ir inflation rates east 6.2 communication costs _ developpement de afrique.*.