Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"dung toi dung snippets" » "dung thoi dung snippets", "dung tai dung snippets", "dung doi dung snippets", "dung noi dung snippets", "dung thi dung snippets", "dung hoi dung snippets", "dung toi dung 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 ("dung toi dung snippets"))) or ("locating bug code snippets"))~.
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