Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"loai cay da snippets" » "loai may da snippets", "loai nam da snippets", "loai va da snippets", "loai cay dan snippets", "loai cay dua snippets", "loai cay ca 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: (((("loai cay da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("loai cay da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( loai cay da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("loai cay da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.