Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java core snippets" » "using data core snippets"
"dong cac dat snippets" » "duong cac dat snippets", "dong bac dat snippets", "dung cac dat snippets", "dong cac dan snippets", "dong cai dat snippets", "dong cac dai 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 core snippets") OR ("dong cac dat snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java core snippets ) or ( dong cac dat snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java core snippets") or ("dong cac dat snippets"))) or ("locating bugs code snippets"))*.