Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tay viet da snippets" » "mai viet da snippets", "dao viet da snippets", "bac viet da snippets", "tay viet dao snippets", "tay viet dat snippets", "tay viet ha 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: (((("tay viet 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: (((("tay viet da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tay viet da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tay viet da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.