Perhaps you should try some spelling variations:
national development » international development, institutional development, social development
higher communication » fiber communication, niger communications, teacher communication
development action » development actors, development practice, development association
costs national » cross national, across national, gross national
technology 3 » technology _, technology 1, technology 4
3 relations » et relations, des relations
relations 3 » relations _, relations a
action data » sanction data, section data, election data
3 does » 13 does, 2 does, 4 does

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

• Adding a wildcard symbol may retrieve word variants: technology 3 relations 3 does higher communication costs national development action data.*.