Perhaps you should try some spelling variations:
stimulates development » stimulate development, simulator development, studies development
communication cost » communication costs, communication costa, communications costs
2.2 communication » 2.3 communication, 3.2 communication, 2.7 communication
technology price » technology rich, technology voice, technology service
cost stimulates » cost estimates
development li » development lid, development lie, development lin
li afrique » l afrique, en afrique
case 2.2 » cases 2.2, case 4.2, case 2.3

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

• Adding a wildcard symbol may retrieve word variants: technology price inflation _ case 2.2 communication cost stimulates development li afrique.*.