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