Perhaps you should try some spelling variations:
"using java java snippets" » "using data java snippets"
"doi cong code snippets" » "doi cong cong snippets", "doi cong co snippets", "doi cong che snippets", "doi song code snippets", "noi cong code snippets", "moi cong 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: (((("doi cong code snippets") or ("using java java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi cong code snippets") OR ("using java java snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( doi cong code snippets ) or ( using java java snippets ))) or ( locating bug core snippets ))*.