Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"can thi nhanh snippets" » "can chi nhanh snippets", "can thi thanh snippets", "can thi hanh snippets", "cau thi nhanh snippets", "dan thi nhanh snippets", "van thi nhanh 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 ("can thi nhanh snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( can thi nhanh snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("can thi nhanh snippets"))) or ("locating bug core snippets"))*.