Perhaps you should try some spelling variations:
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets", "python using raw slippers"
"van van phan grippers" » "van van phong grippers", "van van thanh grippers", "van luan phan grippers", "van ban phan grippers", "tan van phan grippers", "san van phan grippers", "van van phan 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 raw snippets") or ("van van phan grippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using raw snippets") OR ("van van phan grippers"))) OR ("locating bug code snippets")).
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