Perhaps you should try some spelling variations:
"lua cac cuoc snippets" » "lua cac code snippets", "lua cac nuoc snippets", "lua ca cuoc snippets", "lua cac quoc snippets", "luat cac cuoc snippets", "cua cac cuoc snippets", "qua cac cuoc snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data 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 ("lua cac cuoc 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 cac cuoc snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua cac cuoc snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua cac cuoc snippets"))) or ("locating bug core snippets"))*.