Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ton khoe va snippets" » "ton kho va snippets", "toan khoa va snippets", "song khoe va snippets", "ton khoe ma snippets", "ton khoi va snippets", "ton khoan va snippets", "ton khoe va 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: (((("ton khoe va snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
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