Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tri ban ngon snippets" » "tri bang ngon snippets", "tri ban ngo snippets", "tri danh ngon snippets", "tai ban ngon snippets", "tri van ngon snippets", "tri benh ngon snippets", "tri ban ngon 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: (((("tri ban ngon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tri ban ngon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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