Perhaps you should try some spelling variations:
3.3 communication » 2.3 communication, 3.2 communication, 3.5 communication
technology costs » technology cost, technology course, technology case
costs inflation » cases inflation, costs information, costs innovation
inflation rates » inflation rate
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
space 3.3 » space 3.2, space 2.1, space 2.2

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

• Adding a wildcard symbol may retrieve word variants: technology costs inflation rates space 3.3 communication costs _ development li afrique.*.