Perhaps you should try some spelling variations:
technology through » technologies through
de communication » mobile communication, online communication
developpement en » developpement et, developpement des, developpement de
innovation when » innovation where, innovation what, innovation why
4 developpement » de developpement, le developpement, et developpement
when price » when prices, when prime, wheat price
price de » price _, price 3, price a
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 through innovation when price de communication costs 4 developpement en afrique.*.