Perhaps you should try some spelling variations:
"dung dan ham slippers" » "dung dan ham slices", "dung dat ham slippers", "dung san ham slippers", "tung dan ham slippers", "dung dan nam slippers", "dung ban ham slippers", "dung dan chan 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung dan ham slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung dan ham slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung dan ham slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung dan ham slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.