Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"dung tiep doi snippets" » "dung tieu doi snippets", "dung tien doi snippets", "huong tiep doi snippets", "dung tiep do snippets", "dung tiep noi snippets", "dung tiep thi snippets"
"locating bug core snippets" » "locating bug code 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 tiep doi snippets"))) OR ("locating bug core snippets"))~.
• Removing quotes may allow a broader search: (((( using java code snippets ) or ( dung tiep doi snippets ))) or ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using java code snippets") or ("dung tiep doi snippets"))) or ("locating bug core snippets"))*.