Perhaps you should try some spelling variations:
"using java core snippets" » "using data core snippets"
"dung dinh ly snippets" » "dang dinh ly snippets", "dung dich ly snippets", "dung ninh ly snippets", "dung sinh ly snippets", "dung dinh le snippets", "dung trinh ly snippets"
"locating bug code snippets" » "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 java core snippets") or ("dung dinh ly snippets"))) or ("locating bug code snippets"))~.
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