Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"sam ho manh snippets" » "tam ho manh snippets", "nam ho manh snippets", "san ho manh snippets", "sam ho anh snippets", "sam ho minh snippets", "sam ho hanh snippets", "sam ho manh 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: (((("sam ho manh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("sam ho manh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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