Perhaps you should try some spelling variations:
"voi trong dang snippets" » "voi truong dang snippets", "voi trong dan snippets", "voi trong dong snippets", "doi trong dang snippets", "hoi trong dang snippets", "vai trong dang snippets", "voi trong dang slippers"
"using low java snippets" » "using low 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: (((("voi trong dang snippets") or ("using low java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("voi trong dang snippets") OR ("using low java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( voi trong dang snippets ) or ( using low java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("voi trong dang snippets") or ("using low java snippets"))) or ("locating bug code snippets"))*.