Perhaps you should try some spelling variations:
"larval ecology" » "floral ecology", "moral ecology", "faunal ecology"
"larval biology" » "oral biology", "floral biology", "coral biology"
"algal biology" » "floral biology", "fungal biology", "mammal biology"

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: (("algal biology") OR ((("larval biology") OR ("larval ecology"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"algal biology\") or (((\"larval biology\") OR (\"larval ecology\"))))*".
• Removing quotes may allow a broader search: (( algal biology ) or ((( larval biology ) OR ( larval ecology ))))*.