Perhaps you should try some spelling variations:
"lua cau dong snippets" » "lua cau code snippets", "lua cau duong snippets", "lua cau cong snippets", "lua cao dong snippets", "luat cau dong snippets", "cua cau dong snippets", "quan cau dong 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 cau dong 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 cau dong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( lua cau dong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("lua cau dong snippets"))) or ("locating bug core snippets"))*.