Perhaps you should try some spelling variations:
4.3 communication » 2.3 communication, 4.1 communication, 4 communication
developpement la » developpement de, developpement et, developpement du
television flow » television law, television from, television film
4 developpement » de developpement, le developpement, et developpement
technology u.s » technology uses, technology 2.2, technology use
u.s television » _ television, new television
la afrique » l afrique, la fabrique, en afrique
flow rate » flow data
rate 4.3 » rates 4.3, rate 2.4, rate 5.4
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 u.s television flow rate 4.3 communication costs 4 developpement la afrique.*.