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