Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dong cac phe snippets" » "duong cac phe snippets", "dong bac phe snippets", "dung cac phe snippets", "dong cac he snippets", "dong cac che snippets", "dong ca phe 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 cac phe snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dong cac phe snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong cac phe snippets"))) or ("locating bug core snippets"))*.