Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi moi trac slippers" » "doi hoi trac slippers", "doi roi rac slippers", "doi thi trac slippers", "doi voi trac slippers", "doi moi trac slippery", "doi moi trac 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 moi trac 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 moi trac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi moi trac slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi moi trac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.