Perhaps you should try some spelling variations:
communication cross » communication costs
key developpement » de developpement, le developpement, et developpement
math information » catch information, much information, health information
de communication » mobile communication, online communication
developpement de » developpement des, developpement durable
technology math » technology paths, technology mit, technology make
de afrique » de l'afrique, en afrique, l afrique
cross key » across key, class key, cross sea
von de » von der, von den, von dem

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

• Adding a wildcard symbol may retrieve word variants: technology math information _ von de communication cross key developpement de afrique.*.