Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cay hat slippers" » "doi ca hat slippers", "doi day hat slippers", "voi cay hat slippers", "doi cau hat slippers", "doi cac hat slippers", "doi cay hat slippery", "doi cay hat 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 cay hat 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 cay hat slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cay hat slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cay hat slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.