Perhaps you should try some spelling variations:
"hang java java snippets" » "hang va java snippets", "hang java java slippers"
"dung cac danh snippets" » "luong cac danh snippets", "dung cho danh snippets", "dung tai danh snippets", "dung cac doanh snippets", "dung cac dan snippets", "dung cac dang snippets", "dung cac danh 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: "((((\"hang java java snippets\") OR (\"dung cac danh snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( hang java java snippets ) OR ( dung cac danh snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") OR ("dung cac danh snippets"))) OR ("locating bug code snippets"))*.