Perhaps you should try some spelling variations:
technologies trade » technology trade, technologies case, technologies table
oral communication » personal communication
trade information » price information, private information, trade integration
developing cases » developing based, developing cities, development cases
information im » information 2, information 1, information 1.2
cases africa » crises africa, passes africa, rates africa
kiel oral » kiel moral
im kiel » ii kiel, im krieg, im spiel

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

• Adding a wildcard symbol may retrieve word variants: technologies trade information im kiel oral communication costs _ developing cases africa.*.