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"
"duc do cao snippets" » "duc dao cao snippets", "duoc do cao snippets", "muc do cao snippets", "duc o cao 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: (((("python using java snippets") OR ("duc do cao snippets"))) OR ("locatinhg bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( duc do cao snippets ))) or ( locatinhg bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("duc do cao snippets"))) or ("locatinhg bug code snippets"))*.