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