Perhaps you should try some spelling variations:
lasten communications » disaster communications, pakistan communications, written communications
communications costs » communication costs, communications _
technologies 4 » technologies _
4 transition » 2 transition, de transition, en transition
3 developing » 3 development
und lasten » und kosten
costs 3 » costs _, costs 4, costs a
4 areal » 4 real, _ areal, 4 areas
2 areal » 2 real, _ areal, 2 areas

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

• Performing a fuzzy search may retrieve terms with similar spellings: technologies 4 transition _ und lasten communications costs 3 developing ((4 areal) OR (2 areal)).~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "technologies 4 transition _ und lasten communications costs 3 developing ((4 areal) OR (2 areal)).*".