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