Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"doan do cau snippets" » "doan o cau snippets", "toan do cau snippets", "doanh dao cau snippets", "doan dao cau snippets", "doan bo cau snippets", "doan co cau 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 ("doan do cau snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( doan do cau snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("doan do cau snippets"))) or ("locating bug core snippets"))*.