Perhaps you should try some spelling variations:
4.1 communication » 4 communication, 2.3 communication, 3.2 communication
d information » nd information, od information, und information
information a » information age, information about
technology d » technology 1, technology 3, technology 4
debate 4.1 » debates 4.1, debate 2.1, debate 4.2
a debate » _ debate, a debattre, el debate
a africa » can africa, em africa, 11 africa

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: "technology d information a debate 4.1 communication costs _ developing ((a africa) OR (1 africa)).~".
• Adding a wildcard symbol may retrieve word variants: technology d information a debate 4.1 communication costs _ developing ((a africa) OR (1 africa)).*.