Perhaps you should try some spelling variations:
"using java can snippets" » "using data can snippets"
"dai luong code snippets" » "dai luong cong snippets", "dai luong che snippets", "dai cuong code snippets", "dai duong code snippets", "do luong code snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs 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 can snippets") OR ("dai luong code snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java can snippets ) or ( dai luong code snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java can snippets") or ("dai luong code snippets"))) or ("locating bug code snippets"))*.