Perhaps you should try some spelling variations:
"heir apparent" » "her apparent", "weir apparent", "hair apparent", "heir apparently", "heir aparente", "heir apaparente", "heir apparental"
"heir aparentalely" » "her aparentalely", "weir aparentalely", "hair aparentalely", "heir parentales", "heir aaparentealely", "heir aparentalalely"
"heir parent" » "her parent", "weir parent", "hair parent", "heir aparente", "heir parental"
"huir apparent" » "huir apparently", "huir aparente", "huir apaparente", "huir apparental"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"heir apparent\") OR (\"huir apparent\"))) OR (\"heir aparentalely\"))) OR (\"heir parent\"))~".
• Removing quotes may allow a broader search: (((((( heir apparent ) OR ( huir apparent ))) OR ( heir aparentalely ))) OR ( heir parent ))~.
• Adding a wildcard symbol may retrieve word variants: (((((("heir apparent") OR ("huir apparent"))) OR ("heir aparentalely"))) OR ("heir parent"))*.