Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi voi data slippers" » "doi voi dat slippers", "doi voi catia slippers", "doi hoi dat slippers", "doi voi data slippery", "doi voi data grippers"
"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 voi data slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi voi data slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi voi data slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi voi data slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.