Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lon van anh snippets" » "long van anh snippets", "lo van anh snippets", "lon va anh snippets", "lon van thanh snippets", "lon van minh snippets", "lon tuan anh snippets", "lon van anh 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: (((("lon van anh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lon van anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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