Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"dung tren viet snippets" » "dung trong viet snippets", "dung trung viet snippets", "dung trien viet snippets", "dung tran viet snippets", "dung tien viet snippets", "dung tren viet 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 tren viet snippets"))) or ("locating bug code snippets"))~.
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