Perhaps you should try some spelling variations:
"creating cua a snippets" » "creating a a snippets", "creating _ a snippets", "creating cua am snippets", "creating cua ba snippets", "creating cua ga snippets", "creating cua a slippers"
"reading ca lua snippets" » "reading a lua snippets", "reading _ lua snippets", "reading 1 lua snippets", "reading cay lua snippets", "reading ca cua snippets", "reading ca dua snippets", "reading ca lua slippers"
"locating bug code snippets" » "locating bug code slippers", "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 ca lua snippets") or ("creating cua a snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("reading ca lua snippets") OR ("creating cua a snippets"))) OR ("locating bug code snippets")).
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