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