Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
de communication » mobile communication, online communication
technology than » technology tax, technology trap, technology change
1 developpement » de developpement, le developpement, et developpement
than inflation » has inflation, than information, huang inflation
inflation der » inflation index, inflation _, inflation tax
des afrique » en afrique, de l'afrique
der ritter » der dritten, der richter, der twitter
ritter de » ritter die, pieter de, ritter _
paper 1 » paper _, paper i, paper 2

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

• Adding a wildcard symbol may retrieve word variants: technology than inflation der ritter de communication paper 1 developpement des afrique.*.