Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"jin liu luu snippets" » "jin li luu snippets", "xin liu luu snippets", "jin lieu luu snippets", "jin liu luu slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("jin liu luu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("jin liu luu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( jin liu luu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("jin liu luu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.