Perhaps you should try some spelling variations:
equal communication » visual communication, verbal communication, mutual communication
communication cost » communication costs, communication costa, communications costs
technologien zur » technologien fur, technologien des, technologien und
tool development » oil development, school development, local development
development case » development china
zur relation » zur relativen, der relation, zur revolution
relation des » relation de, relationen des, relations der
prices equal » particles equal, prices engel
des prices » debt prices, des proceso, gas prices
case labor » care labor, based labor, male labor
cost tool » best tool, cost book

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

• Adding a wildcard symbol may retrieve word variants: technologien zur relation des prices equal communication cost tool development case labor.*.