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