Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc dan va slippers" » "luu dan va slippers", "tuc dan va slippers", "duc dan va slippers", "luc doan va slippers", "luc dan ca slippers", "luc ban va slippers", "luc dan va slippery", "luc dan 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: (((("luc dan 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: (((("luc dan va slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc dan va slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc dan va slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.