Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dao viec dat snippets" » "dao viet dat snippets", "duoc viec dat snippets", "lam viec dat snippets", "dao vien dai snippets", "dao vien da snippets", "dao viec va 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 ("dao viec dat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dao viec dat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dao viec dat snippets"))) or ("locating bug core snippets"))*.