Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung cua cong snippets" » "dung cua code snippets", "dung luan cong snippets", "dung cho cong snippets"
"dung trinh java snippets" » "dung tinh java snippets", "dong trinh java snippets", "cong trinh java 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 trinh java snippets") OR ("dung cua cong snippets"))) OR ("locating bug core snippets"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung trinh java snippets\") OR (\"dung cua cong snippets\"))) OR (\"locating bug core snippets\"))".
• Removing quotes may allow a broader search: (((( dung trinh java snippets ) OR ( dung cua cong snippets ))) OR ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung trinh java snippets") OR ("dung cua cong snippets"))) OR ("locating bug core snippets"))*.