Perhaps you should try some spelling variations:
personal communication » interpersonal communication
developing state » developing states, developing stable, developing strategy
technologie und » technologies 2.1
und information » fund information, road information, award information
model personal » der personal, model regional
information 2 » information 3
state africa » trade africa
2 model » 3.2 model, 4.2 model, 2.2 model

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

• Adding a wildcard symbol may retrieve word variants: technologie und information 2 model personal communication costs _ developing state africa.*.