Perhaps you should try some spelling variations:
3.2 communication » 3 communication, 2.3 communication, de communication
developpement en » developpement et, developpement des, developpement de
technology data » technology dlt, technology debate, technology debts
data inflation » rate inflation, data information, data innovation
inflation auf » inflation a, inflation rate, inflation _
auf case » auf das, off case
case 3.2 » case 4.2, case 3.1, case 5.2

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

• Adding a wildcard symbol may retrieve word variants: technology data inflation auf case 3.2 communication costs _ developpement en afrique.*.