Perhaps you should try some spelling variations:
"lua gao hoac snippets" » "lua gao code snippets", "lua gio hoac snippets", "lua cao hoc snippets", "lua bao hoa snippets", "lua dao hoac snippets", "luat giao hoac snippets", "luat bao hoac 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 ("lua gao hoac snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("lua gao hoac snippets"))) OR ("locating bug core snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua gao hoac snippets"))) or ("locating bug core snippets"))*.