Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tung duy tan slippers" » "luong duy tan slippers", "quang duy tan slippers", "vuong duy tan slippers", "tung duy tuan slippers", "tung duc tan slippers", "tung duy van slippers", "tung duy tan slippery", "tung duy tan 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 ("tung duy tan slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tung duy tan slippers"))) OR ("locating bug code snippets")).
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