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