Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi ba don snippets" » "doi ban don snippets", "doi bai don snippets", "doi bo don snippets", "doi la don snippets", "doi va don snippets", "doi bat dong 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: (((("doi ba 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: (((("doi ba don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi ba don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi ba don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.