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