Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lon song cau snippets" » "loi song cau snippets", "con song cau snippets", "lan song cau snippets", "lon song cuu snippets", "lon cong cau snippets", "lon song hau 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 song cau 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 song cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lon song cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lon song cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.