Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dung nga da snippets" » "dung ngan da snippets", "dung nha da snippets", "dung nhan da snippets", "dung nga dao snippets", "dung nga va 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: (((("dung nga 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: (((("dung nga da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung nga da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung nga da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.