Perhaps you should try some spelling variations:
"jacob henriques van 't hoff" » "joao henriques van 't hoff", "jacob henriques ana 't hoff", "jacob henriques al 't hoff", "jacob henriques volz 't hoff", "jacob henriques van 't off", "jacob henriques van 't hof"
"jacob henriques late 't hopf" » "joao henriques late 't hopf", "jacob henriques de 't hopf", "jacob henriques ana 't hopf", "jacob henriques al 't hopf"

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: (("jacob henriques van 't hoff") OR ("jacob henriques late 't hopf")).
• Removing quotes may allow a broader search: (( jacob henriques van 't hoff ) or ( jacob henriques late 't hopf )).
• Adding a wildcard symbol may retrieve word variants: (("jacob henriques van 't hoff") or ("jacob henriques late 't hopf"))*.