Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mai dung cua snippets" » "mai hung cua snippets", "mai huong cua snippets", "manh dung cua snippets", "mai dung luan snippets", "mai dung cho 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: (((("mai dung 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: (((("mai dung cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mai dung cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mai dung cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.