Perhaps you should try some spelling variations:
communications model » communications models, communication model, communicating model
formation among » formalization among, formation across
red development » led development, ed development, road development
development pan » development plan, development plans, development japan
technology re » technology r, technology role, technology rate
re formation » de formation, une formation, 1 formation
pan african » pan american, can africa, pan africanism
model red » model re, model real, model rcm
among 15 » among _, among eu
15 data » 5 data, 1 data, 13 data

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

• Adding a wildcard symbol may retrieve word variants: technology re formation among 15 data communications model red development pan african.*.