Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"xin lin liu slippers" » "xin ling liu slippers", "xin liu liu slippers", "xin jin liu slippers", "xin xin liu slippers", "xin lin xiu slippers", "xin lin liu slippery", "xin lin liu grippers"
"locating bug code snippets" » "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 lin liu slippers") OR ("python using java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( xin lin liu slippers ) or ( python using java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("xin lin liu slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.