Perhaps you should try some spelling variations:
die communication » de communication, time communication, une communication
die developpement » de developpement, le developpement, du developpement
developpement en » developpement et, developpement des, developpement de
technology park » technology parks
infection cited » infection sites, infection rates, infection rate
park infection » pain infection, past infection, early infection
essais die » essais de, essai de, essay die

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

• Adding a wildcard symbol may retrieve word variants: technology park infection cited essais die communication _ die developpement en afrique.*.