Perhaps you should try some spelling variations:
4.2 communication » 4.2 communications, 3.2 communication, 4.1 communication
information lost » information loss, information cost, information list
development ds » development d, development does, development desd
4 development » 2 development, 4 developing
technology 1 » technology _
lost debate » lost decade, los debates, lost decades
debate 4.2 » debate 2, debate 2.1, debate 6.1
ds africa » de africa, does africa, yes africa
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 1 information lost debate 4.2 communication costs 4 development ds africa.*.