Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trinh da bao snippets" » "trinh dan bao snippets", "trinh dao bao snippets", "trinh do bao snippets", "trinh dam bao snippets", "trinh va bao snippets", "trinh du bao 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 ("trinh da bao snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh da bao snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh da bao snippets"))) or ("locating bug core snippets"))*.