Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"toc ca quan snippets" » "toc cao quan snippets", "toc cua quan snippets", "toc cai quan snippets", "toc ta quan snippets", "toc co quan snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc ca quan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( toc ca quan snippets ) or ( python using java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("toc ca quan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.