Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lon cua duc snippets" » "long cua duc snippets", "con cua duc snippets", "von cua duc snippets", "lon cua tuc snippets", "lon cua nuoc snippets", "lon cua quoc snippets", "lon cua duc 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: (((("lon cua duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon cua duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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