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