Perhaps you should try some spelling variations:
jacobin » jacobins, jacobians, jacobite, jacobn
jacobian » jacobite, jacoban
jacobson » jackson, jacobon
jacobs » jacob
jacobns » jacobins, jacobus, jacobis
jacobi » jacob

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: anti-(((((jacobin OR jacobian) OR jacobson) OR (jacobs OR jacobns)) OR jacobson) OR jacobi).
• Adding a wildcard symbol may retrieve word variants: anti-(((((jacobin or jacobian) or jacobson) or (jacobs or jacobns)) or jacobson) or jacobi)*.