Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"trinh dai cho snippets" » "trinh tai cho snippets", "trinh di cho snippets", "trinh da cho snippets", "trinh dac cho snippets", "trinh day cho snippets", "trinh dai tho 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 ("trinh dai cho snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trinh dai cho snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trinh dai cho snippets"))) or ("locating bug core snippets"))*.