Perhaps you should try some spelling variations:
"tran trinh java snippets" » "trang trinh java snippets", "tra trinh java snippets", "thanh trinh java snippets", "tran trinh java slippers"
"tung dan code snippets" » "dung dan code snippets", "huong dan code snippets", "trung dai code snippets", "tung dan de snippets", "tung dan code 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: (((("tran trinh java snippets") or ("tung dan code snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran trinh java snippets") OR ("tung dan code snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tran trinh java snippets ) or ( tung dan code snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tran trinh java snippets") or ("tung dan code snippets"))) or ("locating bug code snippets"))*.