Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"trong m dung snippets" » "trong im dung snippets", "trong mo dung snippets", "trong my dung snippets", "trong _ dung snippets", "trong kim dung snippets", "trong mai dung 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 ("trong m dung snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( trong m dung snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("trong m dung snippets"))) or ("locating bug core snippets"))*.