Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nang ca dan slippers" » "nang cao dan slippers", "nang cap dan slippers", "nang cai dan slippers", "nang cac dan slippers", "nang ca dao slippers", "nang ca dan slippery", "nang ca dan 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: (((("nang ca dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nang ca dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nang ca dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nang ca dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.