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