Perhaps you should try some spelling variations:
transportation networks » transportation network
has communication » mass communication, c's communication, chairs communication
das developpement » des developpements, de developpement, du developpement
i transportation » ii transportation, _ transportation, 4 transportation
developpement de » developpement des, developpement durable
communication 1 » communication _, communication a, communication 3
networks debt » networks deep, networks data
technology i » technology ii, technology iv, technology 1
de america » _ america, en america, desde america
debt has » debt cash, debt a, debt how

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

• Adding a wildcard symbol may retrieve word variants: technology i transportation networks debt has communication 1 das developpement de america.*.