Perhaps you should try some spelling variations:
law communication » how communication, new communication, data communication
de developpement » sme development
developpement en » developpement et, developpement des, developpement de
informal speed » informal seed, informal peer, informal spaces
speed per » speed re
per law » per la, power law, poor law
a de » a die, a der, a des

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

• Adding a wildcard symbol may retrieve word variants: technology from informal speed per law communication a de developpement en afrique.*.