Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"can cau duong snippets" » "can hai duong snippets", "can con duong snippets", "can van duong snippets", "van cau duong snippets", "ban cau duong snippets", "ca cau duong 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 cau duong snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( can cau duong snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("can cau duong snippets"))) or ("locating bug core snippets"))*.