Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dau va don snippets" » "dau ve don snippets", "dai va don snippets", "dan va don snippets", "dau va dong snippets", "dau va doc snippets", "dau va 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: (((("dau va don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dau va don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dau va don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dau va don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.