Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"dung tran han snippets" » "dung tren han snippets", "hung tran han snippets", "dang tran han snippets", "dung tran hanh snippets", "dung tran hoan snippets", "dung tran nhan snippets", "dung tran han 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 tran han snippets"))) or ("locating bug code snippets"))~.
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