Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"dang hung dan snippets" » "dang quang dan snippets", "manh hung dan snippets", "dang cong dan snippets", "dang huong dan snippets", "dang dung dan snippets", "dang tung dan snippets", "dang hung dan slippers"
"locating bug code 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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("dang hung dan snippets"))) OR ("locating bug code snippets"))~.
• Removing quotes may allow a broader search: (((( using ibm code snippets ) or ( dang hung dan snippets ))) or ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("using ibm code snippets") or ("dang hung dan snippets"))) or ("locating bug code snippets"))*.