Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dong von lon snippets" » "dung von lon snippets", "dong co lon snippets", "dong hoc lon snippets", "dong vong lon snippets", "dong von luan snippets", "dong cong lon 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 ("dong von lon snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dong von lon snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong von lon snippets"))) or ("locating bug core snippets"))*.