Perhaps you should try some spelling variations:
radio communication » crisis communication, data communication
developing brazil » developing brain, development brazil, developing brand
technologies de » technologies _, technologies 4, technologies 2
de information » die information, de informacion, e information
brazil a » brazil _
b adb » _ adb, b ad
b ab » b abs, b lab, b a

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: "technologies de information ((b adb) OR (b ab)) radio communication costs _ developing brazil a.~".
• Adding a wildcard symbol may retrieve word variants: technologies de information ((b adb) OR (b ab)) radio communication costs _ developing brazil a.*.