Perhaps you should try some spelling variations:
based development » basin development, land development, rapid development
community costs » community counts, community forests, community crisis
technology 2.1 » technology 2.2, technology 3.1, technology 1
creation rate » creation rates, creation a
2.1 creation » 3.1 creation, 2.2.1 creation, 2.1 creating
costs based » cost based, costs case, hots based
rate 3 » rate _, rate 4, rate a

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

• Adding a wildcard symbol may retrieve word variants: technology 2.1 creation rate 3 through community costs based development policy africa.*.