Perhaps you should try some spelling variations:
2.7 communication » 2.3 communication, 3.2 communication, 2 communication
technology trade » technology trends, technology transfer, technology transfers
some development » sme development, women development, site development
integration far » integration fur, integration fdi, integration f150
development de » development d, development ds, developpement de
costs some » cost some
de afrique » de l'afrique, en afrique, l afrique
can 2.7 » chain 2.7, than 2.7

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

• Adding a wildcard symbol may retrieve word variants: technology trade integration far can 2.7 communication costs some development de afrique.*.