Perhaps you should try some spelling variations:
"using ibm code snippets" » "using rbf code snippets", "using lbm code snippets", "using ibm code slippers"
"nhung tri phan snippets" » "nhung bai phan snippets", "nhung bi phan snippets", "nhung gi phan snippets", "nhung tri nhan snippets", "nhung tai phan snippets", "nhung trinh phan snippets", "nhung tri phan 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 ("nhung tri phan snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("using ibm code snippets") OR ("nhung tri phan snippets"))) OR ("locating bug code snippets")).
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