Perhaps you should try some spelling variations:
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• Performing a fuzzy search may retrieve terms with similar spellings: (("coder solution and coding program") OR ("and navigation python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder solution and coding program\") OR (\"and navigation python python programming\"))*".
• Removing quotes may allow a broader search: (( coder solution and coding program ) OR ( and navigation python python programming ))*.