Perhaps you should try some spelling variations:
"mix vater heike" » "die vater heike" (Expand Search)
"mix mayer mine" » "mix meyer mine" (Expand Search), "mix mayer meine" (Expand Search), "mix mayer eine" (Expand Search), "mix mayer pine" (Expand Search)
"mix mater mile" » "mix kater mile" (Expand Search)
"mix maier mike" » "mix baier mike" (Expand Search), "mix maier mikes" (Expand Search), "mix maier eike" (Expand Search), "mix maier pike" (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: (("mix mayer mine") OR ((((("mix vater heike") OR ("mix mater mile"))) OR ("mix maier mike"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"mix mayer mine\") OR (((((\"mix vater heike\") OR (\"mix mater mile\"))) OR (\"mix maier mike\"))))".
• Removing quotes may allow a broader search: (( mix mayer mine ) OR ((((( mix vater heike ) OR ( mix mater mile ))) OR ( mix maier mike )))).
• Adding a wildcard symbol may retrieve word variants: (("mix mayer mine") OR ((((("mix vater heike") OR ("mix mater mile"))) OR ("mix maier mike"))))*.