Perhaps you should try some spelling variations:
"dai dung cong snippets" » "dai dung code snippets", "dai dung trong snippets", "dai duong cong snippets", "dan dung cong snippets", "mai dung cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"using java java snippets" » "using data java 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 java java snippets") or ("dai dung cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using java java snippets") OR ("dai dung cong snippets"))) OR ("locating bug core snippets"))*.
• Removing quotes may allow a broader search: (((( using java java snippets ) or ( dai dung cong snippets ))) or ( locating bug core snippets ))*.