Perhaps you should try some spelling variations:
13.4 communication » 1.4 communication, 3.4 communication, 13.4.5 communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
television low » television law, television news, television does
technology 3 » technology _, technology 1, technology 4
3 television » _ television, 1 television, 7 television
rate 13.4 » rate 17.4, rate 3.4, rates 13.1
low rate » flow rate, low water, low rank
costs le » costs _, costs 4, costs a

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

• Adding a wildcard symbol may retrieve word variants: technology 3 television low rate 13.4 communication costs le developpement en afrique.*.