Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"hoa doi dan snippets" » "hoa dai dan snippets", "hoc doi dan snippets", "xoa doi dan snippets", "hoa hoi dan snippets", "hoa doi ban snippets", "hoa doi dau 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 ("hoa doi dan snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hoa doi dan snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hoa doi dan snippets"))) or ("locating bug core snippets"))*.