Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dat ngo dac snippets" » "dai ngo dac snippets", "bat ngo dac snippets", "dat nuoc dac snippets", "dat ngo duc snippets", "dat ngo doan snippets", "dat ngoc duc snippets", "dat ngo dac 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: (((("dat ngo dac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dat ngo dac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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