Perhaps you should try some spelling variations:
"using real java snippets" » "using metal java snippets", "using raw java snippets"
"hai dung code snippets" » "hai dung cong snippets", "hai dung co snippets", "hai dung de snippets", "hai duong code snippets", "mai dung code snippets", "hai dang code snippets"
"locating bug core snippets" » "locating bug code snippets"

You may be able to get more results by adjusting your search query.

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