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 dat snippets" » "dang quang dat snippets", "manh hung dat snippets", "dang cong dat snippets", "dang dung dat snippets", "dang vung dat snippets", "dang hung dao snippets", "dang hung dat slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using ibm code snippets") or ("dang hung dat snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("dang hung dat snippets"))) OR ("locating bug code snippets")).
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