Perhaps you should try some spelling variations:
un communication » 3 communication, 4 communication, 1 communication
technologies 4 » technologies _
4.5 developing » 1.5 developing, 4.1 developing, 5.5 developing
4 information » 2 information, 1 information
costs 4.5 » costs 4.2, costs 4.4, costs 3.5
bank die » banken die, bank deep, bank dco
bank aid » band aid, bank card, bank adb

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 4 information ((bank die) OR (bank aid)) un communication costs 4.5 developing _ aes.~".
• Adding a wildcard symbol may retrieve word variants: technologies 4 information ((bank die) OR (bank aid)) un communication costs 4.5 developing _ aes.*.