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"
"luc duc dan snippets" » "luc du dan snippets", "luu duc dan snippets", "luc dich dan snippets", "luc duoc dan snippets", "luc duc tan snippets", "luc duc dai 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: (((("luc duc dan snippets") OR ("python using java snippets"))) OR ("locating bug code slippers"))~.
• Removing quotes may allow a broader search: (((( luc duc dan snippets ) or ( python using java snippets ))) or ( locating bug code slippers ))~.
• Adding a wildcard symbol may retrieve word variants: (((("luc duc dan snippets") or ("python using java snippets"))) or ("locating bug code slippers"))*.