Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"anh xuan nhap snippets" » "anh xuat nhap snippets", "anh xuan nhan snippets", "anh xuan nha snippets", "anh tuan nhap snippets", "anh quan nhap snippets", "thanh xuan nhap 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 xuan nhap snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( anh xuan nhap snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("anh xuan nhap snippets"))) or ("locating bug core snippets"))*.