Perhaps you should try some spelling variations:
"dong duoc dan snippets" » "dong quoc dan snippets", "dong duong dan snippets", "trong duoc dan snippets", "dong duc dan snippets", "dong duoc ban snippets", "dong duoc dai snippets", "dong duoc dan 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 dan 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 dan snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dong duoc dan snippets ) or ( dung java java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dong duoc dan snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))*.