Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
des developpement » des developpements, de developpement, le developpement
developpement en » developpement et, developpement des, developpement de
tax information » 2 information, 1 information
information der » information oder, information does, informatik der
technology tax » technology than, technology trap, technology tpm
die mobile » does mobile, das mobile, day mobile
phase des » phasen des, phase der
der die » oder die, der dinge, wider die

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

• Adding a wildcard symbol may retrieve word variants: technology tax information der die mobile communication phase des developpement en afrique.*.