Perhaps you should try some spelling variations:
"cuu cac hoan snippets" » "cuu cac code snippets", "cuu cac khoan snippets", "cuu cach hoan snippets", "cuu cac hoat snippets", "cua cac hoan snippets", "cuu dac hoan snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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 ("cuu cac hoan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cuu cac hoan snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cuu cac hoan snippets"))) or ("locating bug core snippets"))*.