Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"can trinh ha snippets" » "can tranh ha snippets", "dan trinh ha snippets", "van trinh ha snippets", "can trinh han snippets", "can trinh hoa snippets", "can trinh nha snippets", "can trinh ha 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 ("can trinh ha snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("can trinh ha snippets"))) OR ("locating bug code snippets")).
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