Perhaps you should try some spelling variations:
"tan duong va snippets" » "tuan duong va snippets", "tang duong va snippets", "van duong va snippets", "tan duong van snippets", "tan dung va snippets", "tan luong va snippets", "tan duong va 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: (((("tan duong va snippets") or ("dung java java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan duong va snippets") OR ("dung java java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( tan duong va snippets ) or ( dung java java snippets ))) or ( locating bug code snippets ))*.