Perhaps you should try some spelling variations:
"locatinhg bug code snippets" » "locating bug code snippets", "locatinhg bug core snippets"
"python using java snippets" » "python using data snippets"
"doi co cao snippets" » "doi bo cao snippets", "moi co cao snippets", "hoi co cao snippets", "doi cho cao snippets", "doi cu cao snippets", "doi co cau 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: (((("doi co cao snippets") OR ("python using java snippets"))) OR ("locatinhg bug code snippets"))~.
• Removing quotes may allow a broader search: (((( doi co cao snippets ) or ( python using java snippets ))) or ( locatinhg bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("doi co cao snippets") or ("python using java snippets"))) or ("locatinhg bug code snippets"))*.