Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"hang java java snippets" » "hang va java snippets"
"dung san thi snippets" » "dong san thi snippets", "dung sai thi snippets", "dung luan thi snippets", "dung dan thi snippets", "dung van thi snippets", "dung ban thi 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: (((("hang java java snippets") OR ("dung san thi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( hang java java snippets ) or ( dung san thi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("hang java java snippets") or ("dung san thi snippets"))) or ("locating bug core snippets"))*.