Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tung hoc anh snippets" » "trung hoc anh snippets", "tuong hoc anh snippets", "tung ho anh snippets", "tung hoc nganh snippets", "tung hoc nhanh snippets", "tung hoc sinh snippets", "tung hoc 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: (((("python using java snippets") or ("tung hoc anh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("tung hoc anh snippets"))) OR ("locating bug code snippets")).
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