Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"trinh he tuc snippets" » "trinh han tuc snippets", "trinh hoa tuc snippets", "trinh ky tuc snippets", "trinh le tuc snippets", "trinh ke tuc snippets", "trinh ve tuc snippets", "trinh he tuc 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: (((("trinh he tuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("trinh he tuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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