Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"anh dung tran snippets" » "anh dung tren snippets", "anh hung tran snippets", "anh dang tran snippets", "anh dong tran snippets", "anh huong tran snippets", "sach dung tran 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 ("anh dung tran snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( anh dung tran snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("anh dung tran snippets"))) or ("locating bug core snippets"))*.