Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dap van hang snippets" » "dap van khang snippets", "dap van hoang snippets", "dap van thang snippets", "dao van hang snippets", "tap van hang snippets", "dam van hang snippets", "dap van hang 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: (((("dap van hang snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dap van hang snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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