Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc thinh java snippets" » "duc trinh java snippets", "duc think java snippets", "duc thanh java snippets", "quoc thinh java snippets", "duc minh java snippets"
"dung java java snippets" » "dung va java 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 java java snippets\") OR (\"duc thinh java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( duc thinh java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("duc thinh java snippets"))) OR ("locating bug core snippets"))*.