Perhaps you should try some spelling variations:
"dai cong cong snippets" » "dai cong code snippets", "dai cong dong snippets", "dai trong cong snippets", "dai dung cong snippets", "dai cuong cong snippets", "tai cong cong snippets", "doi cong cong snippets"
"locating bug core snippets" » "locating bug code snippets"
"using a java snippets" » "using _ 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 a java snippets") or ("dai cong cong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using a java snippets") OR ("dai cong cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using a java snippets ) or ( dai cong cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") or ("dai cong cong snippets"))) or ("locating bug core snippets"))*.