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