Perhaps you should try some spelling variations:
"tran dung thpt snippets" » "tran dang thpt snippets", "tran hung thpt snippets", "tran quang thpt snippets", "tran dung thiet snippets", "tran dung chat snippets", "tran dung nhat snippets", "tran dung thpt 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: (((("tran dung thpt snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tran dung thpt snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( tran dung thpt snippets ) or ( dung java java snippets ))) or ( locating bug code snippets ))*.