Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dong dat nam snippets" » "dong vat nam snippets", "dung dat nam snippets", "dong ha nam snippets", "dong dan nam snippets", "dong dao nam snippets", "dong dai nam 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 ("dong dat nam snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dong dat nam snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong dat nam snippets"))) or ("locating bug core snippets"))*.