Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"co sach cau snippets" » "co sach cap snippets", "co sach dau snippets", "co sach mau snippets", "bo sach cau snippets", "cuon sach cau snippets", "hoc sach cau 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 ("co sach cau snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( co sach cau snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("co sach cau snippets"))) or ("locating bug core snippets"))*.