Perhaps you should try some spelling variations:
welle communication » cell communication, people communication, called communication
technology support » technology sector
support functions » supply functions, port functions, supply function
4.1 development » 3.1 development, 2.1 development, 2.3 development
development de » development d, development ds, developpement de
functions als » functions all, functions a, functions early
von welle » von welt, von wall, non well
costs 4.1 » costs 4.2, costs 4.4, costs 4.3
de africa » does africa, de america, use africa
als von » als vor, als volk

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

• Adding a wildcard symbol may retrieve word variants: technology support functions als von welle communication costs 4.1 development de africa.*.