Perhaps you should try some spelling variations:
"ethisches problem kreuz / history / 18th century" » "ethische probleme kreuz / history / 18th century", "ethical problem kreuz / history / 18th century", "ethisches problem keun / history / 18th century", "ethisches problem kaluza / history / 18th century", "ethisches problem key / history / 18th century"
"deutsches muster kreuz / history / 18th century" » "deutsches register kreuz / history / 18th century", "deutschland muster kreuz / history / 18th century", "deutsches theater kreuz / history / 18th century", "deutsches muster kreis / history / 18th century", "deutsches uber kreuz / history / 18th century"
"deutsches museum kreuz / history / 18th century" » "deutschen museum kreuz / history / 18th century"
"deutsches rotes kreuz / history / 18th century" » "deutsche rote kreuz / history / 18th century", "deutsches problem kreuz / history / 18th century", "deutsches modell kreuz / history / 18th century", "deutsches rote kreuz / history / 18th century", "deutsches roten kreuzes / history / 18th century"
"deutschen roten kreuz / history / 18th century" » "deutschen rates kreuz / history / 18th century", "deutschen rechte kreuz / history / 18th century", "deutschen rote kreuz / history / 18th century", "deutschen roten kreuzes / history / 18th century"

Try widening your search to All Fields.

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: (((((("deutsches rotes kreuz / history / 18th century") OR ((("deutsches muster kreuz / history / 18th century") OR ("deutsches museum kreuz / history / 18th century"))))) OR ("deutschen roten kreuz / history / 18th century"))) OR ("ethisches problem kreuz / history / 18th century")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"deutsches rotes kreuz / history / 18th century\") or (((\"deutsches muster kreuz / history / 18th century\") OR (\"deutsches museum kreuz / history / 18th century\"))))) or (\"deutschen roten kreuz / history / 18th century\"))) or (\"ethisches problem kreuz / history / 18th century\"))".
• Removing quotes may allow a broader search: (((((( deutsches rotes kreuz / history / 18th century ) or ((( deutsches muster kreuz / history / 18th century ) OR ( deutsches museum kreuz / history / 18th century ))))) or ( deutschen roten kreuz / history / 18th century ))) or ( ethisches problem kreuz / history / 18th century )).
• Adding a wildcard symbol may retrieve word variants: (((((("deutsches rotes kreuz / history / 18th century") or ((("deutsches muster kreuz / history / 18th century") OR ("deutsches museum kreuz / history / 18th century"))))) or ("deutschen roten kreuz / history / 18th century"))) or ("ethisches problem kreuz / history / 18th century"))*.