Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"tac trong quan snippets" » "tac thong quan snippets", "tac tong quan snippets", "tac thong quang snippets", "cay trong quan snippets", "hoc trong quan snippets"
"dung java java snippets" » "dung va java 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: "((((\"tac trong quan snippets\") OR (\"dung java java snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( tac trong quan snippets ) OR ( dung java java snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("tac trong quan snippets") OR ("dung java java snippets"))) OR ("locating bug core snippets"))*.