Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
inflation target » inflation targeting, inflation rate, inflation rates
technology high » technology rights, technology how, technology help
del development » model development, delta development, well development
target date » target rate, target range
costs del » costa del, costo del
1 afrique » l afrique, en afrique, 1 enrique
date 4.1 » daten 4.1, data 4.1, date 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology high inflation target date 4.1 communication costs del development 1 afrique.*.