Perhaps you should try some spelling variations:
vertical communication » verbal communication, virtual communication, optical communication
rights developing » crises developing, rates developing, prices developing
developing state » developing states, developing stable, developing strategy
2.2 information » 4.2 information, 2.2.3 information, 2.2 transformation
information gdp » information gap, information gaps, information guide
technology 2.2 » technology _, technology 1, technology 3
from vertical » from virtual, from critical, from medical
state africa » trade africa
gdp from » gap from, up from, map from
a rights » a right

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

• Adding a wildcard symbol may retrieve word variants: technology 2.2 information gdp from vertical communication a rights developing state africa.*.