Perhaps you should try some spelling variations:
personal communications » personal communication, interpersonal communications, internal communications
development model » development models, development middle
technologies de » technologies _, technologies 4, technologies 2
information age » information storage, information access, information about
de information » die information, de informacion, e information
de personal » der personal, des personal, de persona
age de » page de, stage de, image de

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

• Adding a wildcard symbol may retrieve word variants: technologies de information age de personal communications _ a development model afrique.*.