Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban tat don snippets" » "ban tai don snippets", "ban dat don snippets", "ban tay don snippets", "ban tap don snippets", "ban tat den snippets", "ban thuat don 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 tat don 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 tat don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban tat don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban tat don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.