Perhaps you should try some spelling variations:
"luc cac chat snippets" » "luc cac code snippets", "luc cao chat snippets", "luc cac thuat snippets", "luc cac nha snippets", "luoc cac chat snippets", "tuc cac chat snippets", "duc cac chat 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 ("luc cac chat snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("luc cac chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( luc cac chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("luc cac chat snippets"))) or ("locating bug core snippets"))*.