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 late 't hoff", "jacob henriques van 't off", "jacob henriques van 't hopf"
"jacob henriques van 't hof" » "joao henriques van 't hof", "jacob henriques ana 't hof", "jacob henriques al 't hof", "jacob henriques late 't hof"

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