Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"luan anh cad snippets" » "luan danh cad snippets", "tuan anh cad snippets", "lan anh cad snippets", "luan hanh cad snippets", "luan anh ca snippets", "luan anh cam 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 ("luan anh cad snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( luan anh cad snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("luan anh cad snippets"))) or ("locating bug core snippets"))*.