Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"danh so trong snippets" » "danh so truong snippets", "danh ro trong snippets", "danh co trong snippets", "dinh so trong snippets", "anh so trong snippets", "dan so trong 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 ("danh so trong snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( danh so trong snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("danh so trong snippets"))) or ("locating bug core snippets"))*.