Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"hoc hoi tran snippets" » "hoc hoi trac snippets", "hoc thoi trang snippets", "hoc hoi thanh snippets", "hoc khoi tran snippets", "hoc hoa tran snippets", "hoc noi tran 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 ("hoc hoi tran snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hoc hoi tran snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hoc hoi tran snippets"))) or ("locating bug core snippets"))*.