Perhaps you should try some spelling variations:
terrestrial applications » industrial applications, potential applications, industrial application
terrestrial pollution » industrial pollution, terrestrial relations
industrial relations » industrial applications

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((((terrestrial pollution) OR (industrial relations))) OR (terrestrial applications)).
• Adding a wildcard symbol may retrieve word variants: ((((terrestrial pollution) or (industrial relations))) or (terrestrial applications))*.