Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"quang tran su snippets" » "quang tuan su snippets", "quang trung su snippets", "quang thanh su snippets", "quang trang su snippets", "quang tran si snippets", "quang tran tu 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 ("quang tran su snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( quang tran su snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("quang tran su snippets"))) or ("locating bug core snippets"))*.