Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"doi tinh va snippets" » "doi trinh va snippets", "hoi tinh va snippets", "don tinh va snippets", "doi tich va snippets", "doi trinh van snippets", "doi trinh vat snippets", "doi tinh va 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 ("doi tinh va snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("doi tinh va snippets"))) OR ("locating bug code snippets")).
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