Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"canh dep thi snippets" » "cach de thi snippets", "hanh de thi snippets", "cai dep thi snippets", "canh de thi snippets", "canh tiep thi snippets", "canh dien thi snippets", "canh dep thi 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: (((("canh dep thi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("canh dep thi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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