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