Perhaps you should try some spelling variations:
state transportation » safe transportation, water transportation, surface transportation
transportation hans » transportation hubs, transportation land, transportation trains
technologies state » technologies stage, technologies status, technologies storage
oral communication » personal communication
4 developing » 3 developing
hans modell » das modell, als modell, harmos modell
modell oral » modern oral
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: technologies state transportation hans modell oral communication costs 4 developing _ areas.*.