Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"manh dung code snippets" » "manh hung code snippets", "manh tung code snippets", "anh dung code snippets", "manh dung cong snippets", "manh dung co snippets", "manh dung de snippets", "manh dung code 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 ("manh dung code snippets"))) or ("locating bug code snippets"))~.
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