Perhaps you should try some spelling variations:
communication paper » communication power, communication pattern, communication partner
soa communication » sa communication, asia communication, la communication
gaps information » als information, gets information, laws information
development rate » development create, development route, development water
technology gaps » technology gap
information und » informations und
rate africa » rates africa, rates aafrica, trade africa
und from » found from, round from, land from
from soa » from solar, from soil, from soft
paper a » paper _, paper i, paper 1

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

• Adding a wildcard symbol may retrieve word variants: technology gaps information und from soa communication paper a development rate africa.*.