Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
3.1 communication » 3.1 communications, 3.2 communication, 3.5 communication
de developpement » sme development
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
der prices » user prices, debt prices, do prices
prices 3.1 » prices 2.1, prices 3.2, prices 2.3.1
de afrique » de l'afrique, en afrique, l afrique
paper de » paper d, paper e, paper ten

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 prices 3.1 communication paper de developpement de afrique.*.