Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phat huy anh snippets" » "phan huy anh snippets", "pham huy anh snippets", "pham huu anh snippets", "phat thuy anh snippets", "phat huy sanh snippets", "phat duy anh snippets", "phat huy anh 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: (((("phat huy anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phat huy anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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