Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan can da snippets" » "nhan chan da snippets", "nhan dan da snippets", "nhan van da snippets", "nhan can dai snippets", "nhan ban da 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: (((("nhan can 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: (((("nhan can da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan can da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan can da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.