Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"phan tra chat snippets" » "phan trac chat snippets", "thanh tra chat snippets", "khanh tra chat snippets", "phan tran chau snippets", "phan tran nhat snippets", "phan hoa chat 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 ("phan tra chat snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( phan tra chat snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("phan tra chat snippets"))) or ("locating bug core snippets"))*.