Perhaps you should try some spelling variations:
"dung java java snippets" » "dung va java snippets"
"anh cua code snippets" » "anh cua cong snippets", "anh cua co snippets", "anh bug code snippets", "manh cua code snippets", "hanh cua code snippets", "canh cua code snippets"
"locating bug core snippets" » "locating bug code snippets"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung java java snippets") OR ("anh cua code snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung java java snippets\") OR (\"anh cua code snippets\"))) OR (\"locating bug core snippets\"))*".
• Removing quotes may allow a broader search: (((( dung java java snippets ) OR ( anh cua code snippets ))) OR ( locating bug core snippets ))*.