Perhaps you should try some spelling variations:
thomas manningham » thoma manningham, tho manningham, thomas manning
thomas night » thomas knight, thomas wight, thomas wright
iowa pioneer » loyal pioneer, a pioneer, mock pioneer

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: ((thomas night) OR (thomas manningham)) (iowa pioneer).
• Adding a wildcard symbol may retrieve word variants: ((thomas night) or (thomas manningham)) (iowa pioneer)*.