Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"
"using tao cao snippets" » "using two cao snippets", "sang tao cao snippets", "using a cao snippets", "using bao cao snippets", "using toan cao 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 (\"using tao cao snippets\"))) OR (\"locating bugs code snippets\"))~".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( using tao cao snippets ))) OR ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") OR ("using tao cao snippets"))) OR ("locating bugs code snippets"))*.