Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc cach con snippets" » "luc canh con snippets", "cuoc cach con snippets", "thuc cach con snippets", "luc cach hoan snippets", "luc cac cong snippets", "luc cac co 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 cach con 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 cach con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc cach con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc cach con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.