Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"hang ca danh snippets" » "hang va danh snippets", "nang cao danh snippets", "hang tai danh snippets", "hang cao danh snippets", "hang cau danh snippets", "hang ca dan 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 ("hang ca danh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hang ca danh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hang ca danh snippets"))) or ("locating bug core snippets"))*.