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