Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ca toc kho snippets" » "ca ton kho snippets", "ca hoc khoa snippets", "ca hoc khoi snippets", "cac toc kho snippets", "cao toc kho snippets", "cua toc kho snippets", "ca toc kho 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: (((("ca toc kho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ca toc kho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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