Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
2.3 communication » 3.2 communication, de communication, 4 communication
die developpement » de developpement, le developpement, du developpement
developpement de » developpement des, developpement durable
tax information » 2 information, 1 information
information der » information oder, information does, informatik der
technology tax » technology than, technology trap, technology tpm
de afrique » de l'afrique, en afrique, l afrique
phase die » phase i, phase ii, phase iii
ring 2.3 » ding 2.3, wing 2.3, ring 4.2.3

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 ring 2.3 communication phase die developpement de afrique.*.