Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi cho pin slippers" » "doi chi pin slippers", "doi co pin slippers", "doi pho pin slippers", "doi cho tin slippers", "doi cho sinh slippers", "doi cho phan slippers", "doi cho pin slippery", "doi cho pin 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 cho pin 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 cho pin slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi cho pin slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi cho pin slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.