Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets", "locating bugs code slippers"
"python using java snippets" » "python using data snippets", "python using java slippers"
"thuc tu 20 snippets" » "thuoc tu 20 snippets", "thuc te 20 snippets", "thu tu 20 snippets", "thuc tu 21 snippets", "thuc tu 10 snippets", "thuc tu 23 snippets", "thuc tu 20 slippers"

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: (((("thuc tu 20 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuc tu 20 snippets") OR ("python using java snippets"))) OR ("locating bugs code snippets")).
• Removing quotes may allow a broader search: (((( thuc tu 20 snippets ) or ( python using java snippets ))) or ( locating bugs code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuc tu 20 snippets") or ("python using java snippets"))) or ("locating bugs code snippets"))*.