Perhaps you should try some spelling variations:
"Help:Pronunciation reswelling key" » "Help:Pronunciation retelling key", "Help:Pronunciation swelling key"
"Help:Pronunciation spelling key" » "Help:Pronunciation selling key", "Help:Pronunciation swelling key", "Help:Pronunciation sterling key"
"Help:Pronunciation schelling key" » "Help:Pronunciation schooling key"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("Help:Pronunciation reswelling key") OR ((("Help:Pronunciation spelling key") OR ("Help:Pronunciation schelling key"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Help:Pronunciation reswelling key\") OR (((\"Help:Pronunciation spelling key\") OR (\"Help:Pronunciation schelling key\"))))".
• Removing quotes may allow a broader search: (( Help:Pronunciation reswelling key ) OR ((( Help:Pronunciation spelling key ) OR ( Help:Pronunciation schelling key )))).
• Adding a wildcard symbol may retrieve word variants: (("Help:Pronunciation reswelling key") OR ((("Help:Pronunciation spelling key") OR ("Help:Pronunciation schelling key"))))*.