Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"juan liu a slippers" » "juan luis a slippers", "quan li a slippers", "jin liu a slippers", "juan liu a slippery", "juan liu a grippers"

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: (((("python using java snippets") OR ("juan liu a slippers"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( juan liu a slippers ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("juan liu a slippers"))) or ("locating bugs code snippets"))*.