Perhaps you should try some spelling variations:
2.1 communication » 2.14 communication, 2.3 communication, 2.7 communication
more information » price information, trade information
information loss » information laws, information law, information 2
developing china » developing china's, development china, developing caring
technology more » technology moral, technology make, technology mara
4 developing » 3 developing
china africa » cpia africa, china asia
loss decade » lost decade, lost decades, last decade
decade 2.1 » decades 2.1, decade 4.1, decade 2001
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 more information loss decade 2.1 communication costs 4 developing china africa.*.