Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hoc tan hanh snippets" » "hoc tan thanh snippets", "hoc tang hanh snippets", "hoc toan hanh snippets", "hoc dan hanh snippets", "hoc tap hanh snippets", "hoc tai hanh snippets", "hoc tan hanh 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: (((("hoc tan hanh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc tan hanh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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