Perhaps you should try some spelling variations:
communication services » telecommunications services
development yields » development field, developing fields, development levels
trade development » software development
10 communication » 1 communication, de communication, 3 communication
information 1.2 » information 1.5.2, information 2
technologies a » technologies _, technologies 4, technologies 2
a information » 2 information, 1 information
yields africa » yes africa, seeds africa
1.2 9 » 1.2 _, 1.2 a, 1.2 r
9 10 » _ 10, 9 11

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

• Adding a wildcard symbol may retrieve word variants: technologies a information 1.2 9 10 communication services trade development yields africa.*.