Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"nhan dan hoi snippets" » "phan dau hoi snippets", "gian dan hoi snippets", "nhan tai hoi snippets", "nhan dan hoc snippets", "nhan dai hoi snippets", "nhan dang khoi snippets"
"locating bug core snippets" » "locating bug code 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 java code snippets") OR ("nhan dan hoi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( nhan dan hoi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("nhan dan hoi snippets"))) or ("locating bug core snippets"))*.