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