Perhaps you should try some spelling variations:
information patents » information contents, information wants, information panels
costs information » cost information, tests information, customs information
technology costs » technology cost, technology course, technology case
developpement en » developpement et, developpement des, developpement de
3 communication » 4 communication, de communication, data communication
4 developpement » de developpement, le developpement, et developpement
patents trade » patients treated
trade 3 » trade _, trade a, trade 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 costs information patents trade 3 communication costs 4 developpement en afrique.*.