Perhaps you should try some spelling variations:
"tang tuan tu snippets" » "trang tuan tu snippets", "tang luan tu snippets", "tang quan tu snippets", "tang tuan thu snippets", "tang tran tu snippets", "tang toan tu snippets", "tang tuan tu slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "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: (((("tang tuan tu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang tuan tu snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang tuan tu snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang tuan tu snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.