Perhaps you should try some spelling variations:
"trac trung thu snippets" » "tran trung thu snippets", "tai trung thu snippets", "tac trong thu snippets", "trac trung thuc snippets", "trac trong thu snippets", "trac rung thu snippets", "trac trung thu slippers"
"dung java java snippets" » "dung va java snippets", "dung java java slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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

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