Perhaps you should try some spelling variations:
"nhung trai dat snippets" » "nhung tri dat snippets", "nhung tram dat snippets", "nhung tran dat snippets", "nhung cai dat snippets", "nhung tren dat snippets", "nhung trai lam snippets", "nhung trai dat 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: (((("nhung trai dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nhung trai dat snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhung trai dat snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhung trai dat snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.