Perhaps you should try some spelling variations:
6.2 communication » 3.2 communication, 2.3 communication, 2.7 communication
technology price » technology rich, technology voice, technology service
development li » development lid, development lie, development lin
inflation und » inflation index, inflation _, inflation tax
li afrique » l afrique, en afrique
und case » und care, und cash, id case
case 6.2 » case 6.12, case f6.2, case 4.2
costs 2 » costs 20, costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technology price inflation und case 6.2 communication costs 2 development li afrique.*.