Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"can ho cheng snippets" » "can ho chung snippets", "can zhou cheng snippets", "can wu cheng snippets", "can tho cheng snippets", "can bo cheng snippets", "van ho cheng snippets", "can ho cheng 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: (((("can ho cheng snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("can ho cheng snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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