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