Perhaps you should try some spelling variations:
communication phase » communication case, communication based, communication paper
3.2 communication » 3 communication, 2.3 communication, de communication
can information » von information, von informationen
information gas » information gaps, information gap, information goods
der development » order development, under development, oer developments
technology can » technology change, technology 1, technology 2.2
development en » developpement en, development menu, development eco
prices 3.2 » price 3.2, prices 3.1, prices 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology can information gas prices 3.2 communication phase der development en afrique.*.