Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi dan soc snippets" » "hoi dan soc snippets", "doi ban soc snippets", "doi dau soc snippets", "doi dan toc snippets", "doi dan hoc snippets", "doi dan so 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 dan soc 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 dan soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi dan soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi dan soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.