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