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