Perhaps you should try some spelling variations:
"dung trinh java snippets" » "dung tinh java snippets", "dong trinh java snippets", "cong trinh java snippets"
"dung cac code snippets" » "luong cac code snippets", "dung cho code snippets", "dung tai code snippets", "dung cac cong snippets", "dung cac co snippets", "dung cac che snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

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 cac code snippets"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"dung trinh java snippets\") OR (\"dung cac code snippets\"))) OR (\"locating bug code slippers\"))".
• Removing quotes may allow a broader search: (((( dung trinh java snippets ) OR ( dung cac code snippets ))) OR ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("dung trinh java snippets") OR ("dung cac code snippets"))) OR ("locating bug code slippers"))*.