Perhaps you should try some spelling variations:
"dang va vai snippets" » "dang van vai snippets", "dang vat vai snippets", "hang va vai snippets", "dang va bai snippets", "dang va van snippets", "dang va dai snippets", "dang va vai slippers"
"using a java snippets" » "using _ java snippets", "using a 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: (((("dang va vai snippets") or ("using a java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang va vai snippets") OR ("using a java snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( dang va vai snippets ) or ( using a java snippets ))) or ( locating bug code snippets ))*.