Perhaps you should try some spelling variations:
"dung vinh quang snippets" » "dung tinh quang snippets", "dung dinh quang snippets", "dung minh quang snippets", "dang vinh quang snippets", "dung ninh quang snippets", "quang vinh quang snippets", "dung vinh quang 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 ("dung vinh quang snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("dung vinh quang snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( dung vinh quang snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("dung vinh quang snippets"))) or ("locating bug code snippets"))*.