Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung du ha slippers" » "dung de ha slippers", "dung cu ha slippers", "dung cua ha slippers", "dung duc ha slippers", "dung dau ha slippers", "dung du hoa slippers", "dung du ha slippery", "dung du ha grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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 ha 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 ha slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung du ha slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung du ha slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.