Perhaps you should try some spelling variations:
"environmental physiology" » "environmental sociology", "environmental physics", "environmental geology"
"environmental psychology" » "developmental psychology", "environmental policy"

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 philosophy") OR ("continental philosophy"))) OR ("experimental philosophy"))) OR ((("environmental physiology") OR ("environmental psychology"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"environmental philosophy\") OR (\"continental philosophy\"))) or (\"experimental philosophy\"))) or (((\"environmental physiology\") or (\"environmental psychology\"))))*".
• Removing quotes may allow a broader search: (((((( environmental philosophy ) OR ( continental philosophy ))) or ( experimental philosophy ))) or ((( environmental physiology ) or ( environmental psychology ))))*.