Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cung thu muc snippets" » "cuong thu muc snippets", "ung thu muc snippets", "dung thu muc snippets", "cung thu tuc snippets", "cung thu duc snippets", "cung thu quoc snippets", "cung thu muc 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: (((("cung thu muc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cung thu muc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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