Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"can khoa thu snippets" » "san khoa thu snippets", "con khoa thu snippets", "van khoa thu snippets", "can khoa than snippets", "can hoai thu snippets", "can ho thu snippets", "can khoa thu 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 ("can khoa thu snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("can khoa thu snippets"))) OR ("locating bug code snippets")).
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