Perhaps you should try some spelling variations:
"dung le ham slippers" » "dung le ham slices", "dung len ham slippers", "dung he ham slippers", "dung de ham slippers", "dung le pham slippers", "dung le ha slippers", "dung le hai 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 le 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 le ham slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung le ham slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung le ham slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.