Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc cac hoan snippets" » "hoc cac khoan snippets", "hoc cach hoan snippets", "hoc cac hoat snippets", "hoc cao hoan snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("hoc cac hoan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("hoc cac hoan snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoc cac hoan snippets"))) or ("locating bug code snippets"))*.