Perhaps you should try some spelling variations:
transportation costs » transport costs
moral communication » oral communication, global communication, verbal communication
gas transportation » rail transportation, _ transportation, urban transportation
technologien gas » technologien des, technologien als, technologien am
developing fe » developing e, developing ce, developing _
state moral » state model, state rural, state models
fe area » sea area, del area, fly area

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

• Adding a wildcard symbol may retrieve word variants: technologien gas transportation costs state moral communication costs _ developing fe area.*.