Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung du duy slippers" » "dung de duy slippers", "dung cu duy slippers", "dung cua duy slippers", "dung duc duy slippers", "dung tu duy slippers", "dung do duy slippers", "dung du duy slippery", "dung du duy grippers"
"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 du duy 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 du duy slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung du duy slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung du duy slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.