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