Perhaps you should try some spelling variations:
"dan cac chat snippets" » "dan cac code snippets", "dan cao chat snippets", "dan cac thuat snippets", "dan cac nha snippets", "dan cach chat snippets", "dang cac chat snippets", "dan ca 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 ("dan 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 ("dan cac chat snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dan cac chat snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dan cac chat snippets"))) or ("locating bug core snippets"))*.