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