Perhaps you should try some spelling variations:
"python using java slippers" » "python using data slippers", "python usinhg java slippers", "python ushing java slippers", "python usking java slippers", "python using java slippery", "python using java grippers"
"dung o sin snippets" » "dung co sin snippets", "dung mo sin snippets", "dung so sin snippets", "dung o sinh snippets", "dung o shin snippets", "dung o skin snippets"
"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 o sin snippets") or ("python using java slippers"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung o sin snippets") OR ("python using java slippers"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung o sin snippets ) or ( python using java slippers ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung o sin snippets") or ("python using java slippers"))) or ("locating bug code snippets"))*.