Perhaps you should try some spelling variations:
"silver behaving monkeys" » "silver wearing monkeys", "silver belonging monkeys", "silver releasing monkeys"
"silver behaving monkey" » "silver wearing monkey", "silver belonging monkey", "silver releasing monkey"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"silver behaving monkeys\") OR (\"silver behaving monkey\"))".
• Removing quotes may allow a broader search: (( silver behaving monkeys ) OR ( silver behaving monkey )).
• Adding a wildcard symbol may retrieve word variants: (("silver behaving monkeys") OR ("silver behaving monkey"))*.