Perhaps you should try some spelling variations:
"yang danh thanh snippets" » "yang dinh thanh snippets", "yang dang thanh snippets", "yang nhanh thanh snippets", "dang dinh thanh snippets", "tang dan thanh snippets", "van danh thanh snippets", "yang danh thanh 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: (((("dung java java snippets") or ("yang danh thanh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dung java java snippets") OR ("yang danh thanh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dung java java snippets ) or ( yang danh thanh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dung java java snippets") or ("yang danh thanh snippets"))) or ("locating bug code snippets"))*.