Perhaps you should try some spelling variations:
"ngo thuy phan snippets" » "ngo thu phan snippets", "ngo thuc phan snippets", "ngo thuy phap snippets", "ngo huy phan snippets", "ngo thi phan snippets", "ngo thuy phan slippers"
"python using a snippets" » "python using a 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.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using a snippets") or ("ngo thuy phan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using a snippets") OR ("ngo thuy phan snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using a snippets") or ("ngo thuy phan snippets"))) or ("locating bug code snippets"))*.