Perhaps you should try some spelling variations:
"Help:Pronunciation respelling key" » "Help:Pronunciation respecting key", "Help:Pronunciation retelling key", "Help:Pronunciation spelling key"
"Help:Pronunciation swelling key" » "Help:Pronunciation selling key", "Help:Pronunciation spelling key", "Help:Pronunciation schelling key"
"Help:Pronunciation swerling key" » "Help:Pronunciation sterling key", "Help:Pronunciation smerling key", "Help:Pronunciation zwerling 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 respelling key") OR ((("Help:Pronunciation swelling key") OR ("Help:Pronunciation swerling key"))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Help:Pronunciation respelling key\") OR (((\"Help:Pronunciation swelling key\") OR (\"Help:Pronunciation swerling key\"))))".
• Removing quotes may allow a broader search: (( Help:Pronunciation respelling key ) OR ((( Help:Pronunciation swelling key ) OR ( Help:Pronunciation swerling key )))).
• Adding a wildcard symbol may retrieve word variants: (("Help:Pronunciation respelling key") OR ((("Help:Pronunciation swelling key") OR ("Help:Pronunciation swerling key"))))*.