Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"ca cac cho snippets" » "ca cap cho snippets", "ca cao cho snippets", "ca cac co snippets", "cua cac cho snippets", "va cac cho snippets"
"locating bug code snippets" » "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 java java snippets\") OR (\"ca cac cho snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( ca cac cho snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("ca cac cho snippets"))) OR ("locating bug code snippets"))*.