Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
developpement l » developpement il, developpement la, developpement de
technology dlt » technology data, technology debts, technology 21st
dlt inflation » der inflation, die inflation, d inflation
inflation auf » inflation a, inflation rate, inflation _
l afrique » en afrique
auf case » auf das, off case
case 6.2 » case 6.12, case f6.2, case 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology dlt inflation auf case 6.2 communication costs _ developpement l afrique.*.