Perhaps you should try some spelling variations:
"reading ten lua snippets" » "reading test lua snippets", "reading keys lua snippets", "reading ten luan snippets", "reading ten luat snippets"
"creating a ca snippets" » "creating _ ca snippets", "reading a ca snippets", "creating va ca snippets", "creating am ca snippets", "creating na ca snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("reading ten lua snippets") or ("creating a ca snippets"))) or ("locating bug code snippets"))~.
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