Perhaps you should try some spelling variations:
"locating bung code snippets" » "locating bug code snippets", "locating bung code slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"doan van phan snippets" » "doan va phan snippets", "hoang van phan snippets", "luan van phan snippets", "doan van phong snippets", "doan van thanh snippets", "doan luan phan snippets", "doan van phan slippers"

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 ("doan van phan snippets"))) or ("locating bung code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("doan van phan snippets"))) OR ("locating bung code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( doan van phan snippets ))) or ( locating bung code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("doan van phan snippets"))) or ("locating bung code snippets"))*.