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