Perhaps you should try some spelling variations:
"dong duoc tran snippets" » "dong quoc tran snippets", "dong duong tran snippets", "trong duoc tran snippets", "dong duoc tren snippets", "dong cuoc tranh snippets", "dong duoc thanh snippets", "dong duoc tran 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: (((("dong duoc tran snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dong duoc tran snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong duoc tran snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong duoc tran snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.