Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung su do snippets" » "dung cu do snippets", "dung du do snippets", "dung so do snippets", "dung su dao snippets", "dung su doi 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 su do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung su do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung su do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung su do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.