Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"locating bug core snippets" » "locating bug code snippets"
"hoa van phi snippets" » "hoa dan phi snippets", "hoang van phi snippets", "hoa phan phi snippets", "hoa van chi snippets", "hoa van phu snippets", "hoa van nhi 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 ("hoa van phi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( hoa van phi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("hoa van phi snippets"))) or ("locating bug core snippets"))*.