Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tin van anh snippets" » "tien van anh snippets", "tan van anh snippets", "tin va anh snippets", "tin van thanh snippets", "tin van minh snippets", "tin tuan anh snippets", "tin 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: (((("tin 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: (((("tin van anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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