Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban soan do snippets" » "bien soan do snippets", "ban doanh do snippets", "nang soan do snippets", "ban doan do snippets", "ban toan do snippets", "ban hoan 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: (((("ban soan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban soan do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban soan do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban soan do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.