Perhaps you should try some spelling variations:
"using real code snippets" » "using metal code snippets", "using raw code snippets", "using real core snippets", "using real code slippers"
"dung cac trinh snippets" » "dung cac tinh snippets", "dung lap trinh snippets", "dung cac thanh snippets", "luong cac trinh snippets", "dung cho trinh snippets", "dung tai trinh snippets", "dung cac trinh slippers"
"locating bug code snippets" » "locating bug core snippets", "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using real code snippets") or ("dung cac trinh snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using real code snippets") OR ("dung cac trinh snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( using real code snippets ) or ( dung cac trinh snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using real code snippets") or ("dung cac trinh snippets"))) or ("locating bug code snippets"))*.