Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"pho hoc than snippets" » "pho hoc thanh snippets", "pho hoc phan snippets", "pho hoc tan snippets", "phoi hoc than snippets", "cho hoc than snippets", "pho ho than snippets", "pho hoc than 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: (((("python using java snippets") or ("pho hoc than snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("pho hoc than snippets"))) OR ("locating bug code snippets")).
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