Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cac hoc van snippets" » "cach hoc van snippets", "cac hop van snippets", "bac hoc van snippets", "cac hoc dan snippets", "cac hoc va snippets", "cac hoc vat snippets", "cac hoc van 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: (((("cac hoc van snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac hoc van snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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