Perhaps you should try some spelling variations:
"dung chung code snippets" » "dung cong code snippets", "dung trung code snippets", "truong chung code snippets", "dung chung co snippets", "dung chung code slippers"
"dan tinh java snippets" » "dan trinh java snippets", "dan think java snippets", "dan tinh va snippets", "doan tinh java snippets", "dang tinh java snippets", "dan tinh java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("dan tinh java snippets") or ("dung chung code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan tinh java snippets") OR ("dung chung code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan tinh java snippets ) or ( dung chung code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan tinh java snippets") or ("dung chung code snippets"))) or ("locating bug code snippets"))*.