Perhaps you should try some spelling variations:
technologien stm » technologien am, technologien im, technologien ist
de communication » mobile communication, online communication
stm information » crm information, system information, from information
information b » information 2, information 1, information bank
development 2 » development 1, development 2.1, development 2.3
cross 3 » cross _, cross 1
cross c » cross _, cross 1
2 areas » 1 areas, 2 areal, 4 areas
aid de » aid do, aid debt, aid does
b aid » _ aid, 2 aid

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "technologien stm information b aid de communication ((cross 3) OR (cross c)) development 2 areas.~".
• Adding a wildcard symbol may retrieve word variants: technologien stm information b aid de communication ((cross 3) OR (cross c)) development 2 areas.*.