Perhaps you should try some spelling variations:
oral communication » personal communication
technologien road » technologien ad, technologien und, technologien am
information 1.5.2 » information 1.2, information 2
developing based » development based, developing asia, developing east
a developing » a development
based areal » based real, base areas, based animal
1.5.2 best » 1.6.2 best, 11.2.2 best, 13.2.2 best
best oral » best deal
costs a » costs _, costs 4

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

• Adding a wildcard symbol may retrieve word variants: technologien road information 1.5.2 best oral communication costs a developing based areal.*.