Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"van quang tao snippets" » "van quan tao snippets", "tran quang tao snippets", "van tuan tao snippets", "van quang cao snippets", "van quang bao snippets", "van quang tay 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 ("van quang tao snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van quang tao snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van quang tao snippets"))) or ("locating bug core snippets"))*.