Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phan co tao snippets" » "phan bo tao snippets", "phan cong tao snippets", "phan cac tao snippets", "phan co lao snippets", "phan co ta snippets", "phan co bao snippets", "phan co tao 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: (((("phan co tao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan co tao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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