Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dai hai dung snippets" » "dai hai duong snippets", "dai mai dung snippets", "dai hai dang snippets", "dai han dung snippets", "dai hoi dung snippets", "dai tai dung snippets", "dai hai dung 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: (((("dai hai dung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dai hai dung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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