Perhaps you should try some spelling variations:
"tren mang thi snippets" » "tren trang thi snippets", "tran manh thi snippets", "tren may thi snippets", "tren dang thi snippets", "tren tang thi snippets", "tren cang thi snippets", "tren mang thi 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: (((("tren mang thi snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tren mang thi snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( tren mang thi snippets ) or ( dung java java snippets ))) or ( locating bug code snippets ))*.