Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung so duan slippers" » "dung co duan slippers", "dung mo duan slippers", "dung cho duan slippers", "dung so dan slippers", "dung so duan slippery", "dung so duan 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 so duan 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 so duan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung so duan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung so duan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.