Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dua tao duc snippets" » "dua vao duc snippets", "cua tao duc snippets", "da tao duc snippets", "dua tao duoc snippets", "dua dao duc snippets", "dua tho duc snippets", "dua tao 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: (((("dua tao 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: (((("dua tao duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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