Perhaps you should try some spelling variations:
"vi dong cong snippets" » "vi dong code snippets", "vi duong cong snippets", "vi dung cong snippets", "vi dang cong snippets", "voi dong cong snippets", "di dong cong snippets", "va dong 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 ("vi dong 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 ("vi dong cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using a java snippets ) or ( vi dong cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using a java snippets") or ("vi dong cong snippets"))) or ("locating bug core snippets"))*.