Perhaps you should try some spelling variations:
case communication » based communication, scale communication, face communication
technologies time » technologies tme, technologies table, technologies bit
information costs » information contents, information centers, information content
communication 5.5 » communication 3.3, communication 2.4, communication 3.2
time information » price information, trade information, more information
development en » developpement en, development menu, development eco
costs safety » vests safety, posters safety, toys safety
safety case » safety based
5.5 2 » 5.5 _, 5.5 a, 6.5 2

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

• Adding a wildcard symbol may retrieve word variants: technologies time information costs safety case communication 5.5 2 development en afrique.*.