Perhaps you should try some spelling variations:
between developed » between development
countries between » boundaries between, countries before
era applications » eoa applications, erm applications, erp applications
applications 2.1 » applications 3.1, applications 6.1, applications 5.1
technology era » technology eva, technology e, technology e.g
developed land » development band
some through » come through, home through, women through
2.1 some » 2.1 scope
land art » land part, land area, land anti

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

• Adding a wildcard symbol may retrieve word variants: technology era applications 2.1 some through community countries between developed land art.*.