Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ve dan slippers" » "phan le dan slippers", "phan va dan slippers", "pha ve dan slippers", "phan ke dan slippers", "phan ve dan slippery", "phan ve 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: (((("phan ve 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: (((("phan ve dan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ve dan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ve dan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.