Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung tinh tro snippets" » "dang tinh tro snippets", "dung ninh tro snippets", "dung tin tro snippets", "dung trinh tro snippets", "dung tinh tri snippets", "dung hinh tron snippets"
"locating bug core snippets" » "locating bug code 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: (((("using java code snippets") OR ("dung tinh tro snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung tinh tro snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung tinh tro snippets"))) or ("locating bug core snippets"))*.