Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang len con snippets" » "tang le con snippets", "tang men con snippets", "tang luan con snippets", "tang len cong snippets", "tang lon con 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 len con 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 len con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang len con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang len con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.