Perhaps you should try some spelling variations:
germanica » germanici (Expand Search), germani (Expand Search)
translatio » translation (Expand Search), translations (Expand Search), translated (Expand Search)
johannen » joanne (Expand Search), joannes (Expand Search), iohannem (Expand Search)
jacobum » iacobum (Expand Search)
heilmannum, » heimannum, (Expand Search), hermannum, (Expand Search)
heilmann, » heimann, (Expand Search), hermann, (Expand Search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ex germanica & gallica lingua in latinam translatio per ((johannen or (johannes OR johann)) or johannis) jacobum (heilmannum, or heilmann,) bipontino-latinum m. d.~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ex germanica & gallica lingua in latinam translatio per ((johannen OR (johannes OR johann)) OR johannis) jacobum (heilmannum, OR heilmann,) bipontino-latinum m. d..
• The words AND, OR and NOT may confuse the search; try adding quotes: "ex germanica & gallica lingua in latinam translatio per ((johannen or (johannes OR johann)) or johannis) jacobum (heilmannum, or heilmann,) bipontino-latinum m. d.".
• Adding a wildcard symbol may retrieve word variants: ex germanica & gallica lingua in latinam translatio per ((johannen or (johannes OR johann)) or johannis) jacobum (heilmannum, or heilmann,) bipontino-latinum m. d.*.