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