Perhaps you should try some spelling variations:
"using java core snippets" » "using data core snippets"
"dap cong ti snippets" » "tap cong ti snippets", "dai cong ti snippets", "dam cong ti snippets", "dap cong ty snippets", "dap cong li snippets", "dap cong tu 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 ("dap cong ti snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dap cong ti snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dap cong ti snippets"))) or ("locating bug code snippets"))*.