Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"hang cua tan snippets" » "mang cua tan snippets", "hang ca tan snippets", "huong cua tan snippets", "hang chua tan snippets", "hang cua toan snippets", "hang cua ban snippets", "hang cua tan 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: (((("hang cua tan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hang cua tan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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