Perhaps you should try some spelling variations:
"dung nhan bi snippets" » "dung luan bi snippets", "dung phan bi snippets", "dung than bi snippets", "dung nhan biet snippets", "dung nhan bi 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"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung nhan bi snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung nhan bi snippets ) OR ( dung java java snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung nhan bi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.