Perhaps you should try some spelling variations:
2.3 communication » 3.2 communication, de communication, 4 communication
developing areas » developing asia, developing east, developing a
one information » more information, age information, die information
information old » information och, information oder, information open
technology one » technology other, technology o140, technology 1
4 developing » 3 developing
areas africa » arabs africa, dress africa, farmers africa
old debates » old debate
debates 2.3 » debates 12.3, debate 2.3, debates 1.3
costs 4 » costs _, costs a, costs 4.2

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

• Adding a wildcard symbol may retrieve word variants: technology one information old debates 2.3 communication costs 4 developing areas africa.*.