Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"li luan tot snippets" » "li luan ket snippets", "li luan thi snippets", "li luan von snippets", "ly luan tot snippets", "luc luan tot snippets"
"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: (((("li luan tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("li luan tot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( li luan tot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("li luan tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.