Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"trac nha anh snippets" » "truc nha anh snippets", "trai nha anh snippets", "tran nhat anh snippets", "trac nha lanh snippets", "trac nhat anh snippets", "trac nha hanh snippets", "trac nha 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: (((("trac nha 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: (((("trac nha anh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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