Perhaps you should try some spelling variations:
"dung sinh java snippets" » "duong sinh java snippets", "dang sinh java snippets", "dung ninh java snippets", "dung trinh java snippets", "dung using java snippets", "dung sinh va snippets"
"using c core snippets" » "using lc core snippets", "using a core snippets", "using _ core snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs 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 c core snippets") OR ("dung sinh java snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using c core snippets ) or ( dung sinh java snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using c core snippets") or ("dung sinh java snippets"))) or ("locating bug code snippets"))*.