Perhaps you should try some spelling variations:
"using java core snippets" » "using data core snippets"
"dan cam pha snippets" » "dan ca pha snippets", "dan nam pha snippets", "ban cam pha snippets", "dan cam phu snippets", "dan dam pha snippets", "dan kham pha snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs 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 core snippets") OR ("dan cam pha snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dan cam pha snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dan cam pha snippets"))) or ("locating bug code snippets"))*.