Perhaps you should try some spelling variations:
"tran truong code snippets" » "tran trong code snippets", "tran trung code snippets", "tran tuong code snippets", "tran truong cd snippets", "tran truong co snippets", "tran truong cong snippets", "tran truong code slippers"
"dung va java snippets" » "dung java java snippets", "dung va java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

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

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