Perhaps you should try some spelling variations:
communications across » communication across, communications cross, communication cross
voice communications » mobile communications, guinea communications, online communications
3 developing » 3 development
developing 1 » developing _, developing a, developing e
across 3 » across _, across a, across eu
1 areas » 1 area, 2 areas, 4 areas
b aid » _ aid
2 aid » _ aid, 2 aim, 2 air

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 _ information ((b aid) OR (2 aid)) voice communications across 3 developing 1 areas.~".
• Adding a wildcard symbol may retrieve word variants: technologies _ information ((b aid) OR (2 aid)) voice communications across 3 developing 1 areas.*.