Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"xin li liu snippets" » "xin liu liu snippets", "jin li liu snippets", "xin ling liu snippets", "xin lin liu snippets", "xin li li snippets", "xin yi liu snippets", "xin li liu slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xin li liu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( xin li liu snippets ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("xin li liu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.