Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"ong sach dat snippets" » "cong sach dat snippets", "song sach dat snippets", "duong sach dat snippets", "ong sach dao snippets", "ong sach danh snippets", "ong sach bai 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 ("ong sach dat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( ong sach dat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("ong sach dat snippets"))) or ("locating bug core snippets"))*.