Perhaps you should try some spelling variations:
"using java code snippets" » "using data code snippets"
"phong toan duc snippets" » "phong thanh duc snippets", "phong trao duc snippets", "phong van duc snippets", "phong tran duc snippets", "phong toan du snippets", "phong ton duc snippets"
"locating bug code slippers" » "locating bung code slippers", "locating bugs code slippers"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("using java code snippets") or ("phong toan duc snippets"))) or ("locating bug code slippers"))~.
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