Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"tran kiem van snippets" » "toan kiem van snippets", "trang kien van snippets", "trinh kiem van snippets", "tran kiem va snippets", "tran kien van snippets", "tran kieu van 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 ("tran kiem van snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( tran kiem van snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("tran kiem van snippets"))) or ("locating bug core snippets"))*.