Perhaps you should try some spelling variations:
"frank kuch" » "frank auch" (Expand Search), "frank koch" (Expand Search), "frank buch" (Expand Search)
"frank kuche" » "frank auche" (Expand Search), "frank koche" (Expand Search), "frank buche" (Expand Search), "frank suche" (Expand Search)
"franz kuche" » "franz auche" (Expand Search), "franz koche" (Expand Search), "franz buche" (Expand Search), "franz suche" (Expand Search)
"frank buche" » "frank bucher" (Expand Search), "frank buchle" (Expand Search), "frank buches" (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: (("frank kuch") OR ((((("frank kuche") OR ("frank buche"))) OR ("franz kuche"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"frank kuch\") OR (((((\"frank kuche\") OR (\"frank buche\"))) OR (\"franz kuche\"))))".
• Removing quotes may allow a broader search: (( frank kuch ) OR ((((( frank kuche ) OR ( frank buche ))) OR ( franz kuche )))).
• Adding a wildcard symbol may retrieve word variants: (("frank kuch") OR ((((("frank kuche") OR ("frank buche"))) OR ("franz kuche"))))*.