Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"dung hoc doc snippets" » "dong hoc doc snippets", "dung thuoc doc snippets", "trung hoc doc snippets", "dung hoc duoc snippets", "dung hoc do snippets", "dung hoc doi 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 ("dung hoc doc snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung hoc doc snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung hoc doc snippets"))) or ("locating bugs code snippets"))*.