Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trinh cau dat snippets" » "trinh chat dat snippets", "trinh chao dat snippets", "trinh tu dat snippets", "trinh cai dat snippets", "trinh cau hat snippets", "trinh chap dat 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 cau dat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh cau dat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh cau dat snippets"))) or ("locating bug core snippets"))*.