Perhaps you should try some spelling variations:
"dung trung java snippets" » "dung trong java snippets", "quang trung java snippets", "truong trung java snippets", "dung trung va snippets", "dung trinh java snippets"
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets"
"locating bug core snippets" » "locating bug 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 ibm code snippets") or ("dung trung java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("dung trung java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( dung trung java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("dung trung java snippets"))) or ("locating bug core snippets"))*.