Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
developpement il » developpement de, developpement et, developpement du
technology have » technology hard, technology has, technologies have
inflation wages » inflation rates, inflation taxes, inflation targets
4 developpement » de developpement, le developpement, et developpement
have inflation » wage inflation, age inflation, has inflation
wages space » wages race
il afrique » l afrique, en afrique
space 4.1 » space 2.1, space 4.3, space 4.2
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology have inflation wages space 4.1 communication costs 4 developpement il afrique.*.