Perhaps you should try some spelling variations:
"barcino monographien orientalis" » "anhang monographien orientalis", "artikel monographien orientalis", "bucher monographien orientalis"
"algen monographien orientalis" » "quellen monographien orientalis", "anhang monographien orientalis", "algenkunde monographien orientalis"

Try widening your search to All Fields.

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"barcino monographien orientalis\") OR (\"algen monographien orientalis\"))".
• Removing quotes may allow a broader search: (( barcino monographien orientalis ) OR ( algen monographien orientalis )).
• Adding a wildcard symbol may retrieve word variants: (("barcino monographien orientalis") OR ("algen monographien orientalis"))*.