Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi su doi snippets" » "oi su doi snippets", "don su doi snippets", "voi su doi snippets", "doi sua doi snippets", "doi su dai snippets", "doi tu 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: (((("doi su doi 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 su doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi su doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi su doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.