Perhaps you should try some spelling variations:
verbal communication » nonverbal communication, virtual communication, oral communication
communication cross » communication costs
development rate » development create, development route, development water
4a information » a information, via information, lca information
technology 4a » technology 4, technology a, technology 4.1
from verbal » from vertical, from virtual, forma verbal
cross world » across world, crisis world, cpss world
rate africa » rates africa, rates aafrica, trade africa
gap from » gaps from, map from, gdp from

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

• Adding a wildcard symbol may retrieve word variants: technology 4a information gap from verbal communication cross world development rate africa.*.