Perhaps you should try some spelling variations:
"environmental sociology" » "environmental psychology"
"environmental geology" » "environmental psychology", "environmental geography"
"environmental social" » "environmental science"

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: (((("environmental sociology") OR ("environmental geology"))) OR ("environmental social")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"environmental sociology\") OR (\"environmental geology\"))) or (\"environmental social\"))".
• Removing quotes may allow a broader search: (((( environmental sociology ) OR ( environmental geology ))) or ( environmental social )).
• Adding a wildcard symbol may retrieve word variants: (((("environmental sociology") OR ("environmental geology"))) or ("environmental social"))*.