Perhaps you should try some spelling variations:
"using java che snippets" » "using data che snippets", "using japan che snippets", "using va che snippets", "using java can snippets"
"dung hung core snippets" » "dung chung core snippets", "dung nhung core snippets", "dung huong core 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"using java che snippets\") OR (\"dung hung core snippets\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( using java che snippets ) OR ( dung hung core snippets ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java che snippets") OR ("dung hung core snippets"))) OR ("locating bug code snippets"))*.