Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cu dan khach slippers" » "cu can khach slippers", "cu dan khanh slippers", "cu dat khach slippers", "cua dan khach slippers", "ca dan khach slippers", "co dan khach slippers", "cu dan khach slippery", "cu dan khach 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: (((("cu dan khach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cu dan khach slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cu dan khach slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cu dan khach slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.