Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang neu doi snippets" » "tang hieu doi snippets", "tang le doi snippets", "tang khu doi snippets", "tang nu doi snippets", "tang lieu doi 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: (((("tang neu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang neu doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang neu doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang neu doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.