Perhaps you should try some spelling variations:
"dan thanh thang snippets" » "dan nhanh thang snippets", "dan thanh thanh snippets", "dan thanh hang snippets", "dang thanh thang snippets", "danh thanh thang snippets", "ban thanh thang snippets", "dan thanh thang 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: (((("dung java java snippets") or ("dan thanh thang snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dan thanh thang snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dan thanh thang snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dan thanh thang snippets"))) or ("locating bug code snippets"))*.