Perhaps you should try some spelling variations:
"sierra hobbes civil war" » "sierra hobbes's civil war", "sierra codes civil war"
"sierra hobbes ii war" » "sierra hobbes bis war", "sierra hobbes die war", "sierra hobbes _ war", "sierra hobbes ii water", "sierra hobbes ii warme"

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: "((\"sierra hobbes civil war\") OR (\"sierra hobbes ii war\"))".
• Removing quotes may allow a broader search: (( sierra hobbes civil war ) OR ( sierra hobbes ii war )).
• Adding a wildcard symbol may retrieve word variants: (("sierra hobbes civil war") OR ("sierra hobbes ii war"))*.