Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung thi nhu slippers" » "dung tai nhu slippers", "dung tri nhu slippers", "dung chi nhu slippers", "dung thi thu slippers", "dung thi nhung slippers", "dung thi thuy slippers", "dung thi nhu slippery", "dung thi nhu grippers"
"locating bug code snippets" » "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 ("dung thi nhu slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("dung thi nhu slippers"))) OR ("locating bug code snippets")).
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