Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
power development » water development, career development, hydropower development
technology use » technology 1, technology 2.2, technology 3
use innovation » user innovation, une innovation, sme innovation
innovation 2.2 » innovation 2.3, innovation 2.1, innovation 4.1
costs power » cost power, costs per, costs peter
film data » ilm data, film das
1 afrique » l afrique, en afrique, 1 enrique
2.2 film » 2.12 film, 2.2 firm, 2.1 film

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

• Adding a wildcard symbol may retrieve word variants: technology use innovation 2.2 film data communications costs power development 1 afrique.*.