Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"dam tao khoi snippets" » "dam tao hoi snippets", "dam thao khoa snippets", "dam lao khoa snippets", "dam trao khoi snippets", "dao tao khoi snippets", "dam bao khoi snippets", "dam tao khoi 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: (((("dam tao khoi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam tao khoi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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