Perhaps you should try some spelling variations:
technologies using » technologies during, technologies going, technologies listing
de communication » mobile communication, online communication
le developpement » de developpement, sme development
developpement en » developpement et, developpement des, developpement de
using national » using natural
national rates » national waters, national water, national rules
rates time » takes time
costs le » costs _, costs 4, costs a
time de » time die, estime de, time done

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

• Adding a wildcard symbol may retrieve word variants: technologies using national rates time de communication costs le developpement en afrique.*.