Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich tu doc snippets" » "dich vu doc snippets", "dich te doc snippets", "dinh tu doc snippets", "dich tu duoc snippets", "dich tu hoc snippets", "dich tu do 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: (((("dich tu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dich tu doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich tu doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich tu doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.