Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"using data java snippets" » "using java java snippets", "using sat java snippets", "missing data java snippets"
"dang vat vai snippets" » "dang van vai snippets", "dong vat vai snippets", "dang nhat vai snippets", "dang vat va snippets", "dang va vai snippets", "dang vat tai snippets"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dang vat vai snippets") OR ("using data java snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( dang vat vai snippets ) or ( using data java snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dang vat vai snippets") or ("using data java snippets"))) or ("locating bug core snippets"))*.