Perhaps you should try some spelling variations:
"dung co ham slippers" » "dung co ham slices", "dung cho ham slippers", "dung cong ham slippers", "dung cua ham slippers", "dung co cham slippers", "dung co hai slippers", "dung co hat slippers"
"python using java snippets" » "python using data snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core 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 ("dung co ham slippers"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( dung co ham slippers ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("dung co ham slippers"))) or ("locating bug code snippets"))*.