Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"thuy hanh ly snippets" » "thuc hanh ly snippets", "thuy anh ly snippets", "thuy canh ly snippets", "thuy khanh ly snippets", "thuy hanh ky snippets", "thuy hang ly snippets", "thuy hanh ly 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: (((("thuy hanh ly snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuy hanh ly snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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