Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi co soi snippets" » "doi bo soi snippets", "moi co soi snippets", "hoi co soi snippets", "doi cot soi snippets", "doi co so snippets", "doi co hoi 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 co soi 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 co soi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi co soi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi co soi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.