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