Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de communication
der developpement » de developpement, des developpements, leur developpement
developpement la » developpement de, developpement et, developpement du
tax information » 2 information, 1 information
information der » information oder, information does, informatik der
technology tax » technology than, technology trap, technology tpm
la afrique » l afrique, la fabrique, en afrique
der trade » der trager, der traum, fur trade
trade 3.2 » trade 2.2, trade 2, trade 4.1

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 trade 3.2 communication phase der developpement la afrique.*.