Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"vi duong che snippets" » "vi duong code snippets", "vi dong che snippets", "vi dung che snippets", "vi luong che snippets", "va duong che snippets", "vu duong che snippets"
"using sat java snippets" » "using data java snippets", "using a java snippets", "using raw java snippets", "using sat va snippets"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using sat java snippets") OR ("vi duong che snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using sat java snippets ) or ( vi duong che snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using sat java snippets") or ("vi duong che snippets"))) or ("locating bug core snippets"))*.