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