Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java snippets" » "python using data snippets"
"duc mat dan snippets" » "duc mau dan snippets", "duc man dan snippets", "duc manh dan snippets", "duc hat dan snippets", "duc luat dan snippets", "duc mat bang 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: (((("duc mat dan snippets") OR ("python using java snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( duc mat dan snippets ) or ( python using java snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("duc mat dan snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.