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