Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"huu bang dac snippets" » "huu dang dac snippets", "luu bang dac snippets", "huu khang dac snippets", "huu bang cac snippets", "huu ban dac snippets", "huu bang bac snippets", "huu bang dac 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: (((("python using java snippets") or ("huu bang dac snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("huu bang dac snippets"))) OR ("locating bug code snippets")).
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