Perhaps you should try some spelling variations:
"locating bugs code snippets" » "locating bug code snippets"
"using java code snippets" » "using data code snippets"
"van ngoc doc snippets" » "tran ngoc doc snippets", "van hoc doc snippets", "van nghe doc snippets", "van ngoc duc snippets", "van ngon doc snippets", "van ngo doc 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 ngoc doc snippets"))) OR ("locating bugs code snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( van ngoc doc snippets ))) or ( locating bugs code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("van ngoc doc snippets"))) or ("locating bugs code snippets"))*.