Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"khac than cua snippets" » "khan than cua snippets", "khac khanh cua snippets", "khai thac cua snippets", "khac nhan cua snippets", "khac thai cua snippets", "khac ban cua 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 ("khac than cua snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( khac than cua snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("khac than cua snippets"))) or ("locating bug core snippets"))*.