Perhaps you should try some spelling variations:
overview situation » interview situation, interview situations, overview motivation
ties communication » fields communication, mass communication, c's communication
4 developpement » de developpement, le developpement, et developpement
developpement l » developpement il, developpement la, developpement de
situation der » situation _
trager ties » trade ties, trager des, trager einer
der trager » die trager
l afrique » en afrique
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: methods overview situation der trager ties communication costs 4 developpement l afrique.*.