Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"dong viet ve snippets" » "cong viet ve snippets", "dung viet ve snippets", "dang viet ve snippets", "dong biet ve snippets", "dong viet va snippets", "dong viet viet 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 ("dong viet ve snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dong viet ve snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dong viet ve snippets"))) or ("locating bugs code snippets"))*.