Perhaps you should try some spelling variations:
communication crises » communication crisis, communication cross, communication costs
united development » limited development, site development, uneven development
technologies key » technologies any, technologies know, technologies _
de communication » mobile communication, online communication
key information » energy information
information pt » information part, information 1, information 1.2
2 de » 2 die, 2 der, _ de

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

• Adding a wildcard symbol may retrieve word variants: technologies key information pt 2 de communication crises united development 1 africa.*.