Perhaps you should try some spelling variations:
"using ibm code slippers" » "using rbf code slippers", "using lbm code slippers"
"dung tran nhat snippets" » "dung tren nhat snippets", "hung tran nhat snippets", "dang tran nhat snippets", "dung toan nha snippets", "dung tran chau 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.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("using ibm code slippers") or ("dung tran nhat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code slippers") OR ("dung tran nhat snippets"))) OR ("locating bug code snippets"))*.
• Removing quotes may allow a broader search: (((( using ibm code slippers ) or ( dung tran nhat snippets ))) or ( locating bug code snippets ))*.