Perhaps you should try some spelling variations:
"creating ca lua snippets" » "creating a lua snippets", "creating _ lua snippets", "creating cay lua snippets", "creating ca cua snippets", "creating ca dua snippets"
"reading ho ca snippets" » "reading _ ca snippets", "reading 1 ca snippets", "reading 2 ca snippets", "reading tho ca snippets", "reading cho ca snippets", "reading ho cua 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 ho ca snippets") or ("creating ca lua snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("reading ho ca snippets") OR ("creating ca lua snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( reading ho ca snippets ) or ( creating ca lua snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("reading ho ca snippets") or ("creating ca lua snippets"))) or ("locating bug code snippets"))*.