Perhaps you should try some spelling variations:
"dung hoc chien snippets" » "dung hoc code snippets", "dung hoc hien snippets", "dung hoach chien snippets", "dung hoc chuyen snippets", "dong hoc chien snippets", "dung thuoc chien snippets", "trung hoc chien snippets"
"locating bug core snippets" » "locating bug code snippets"
"dung java java snippets" » "dung va java snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung hoc chien snippets") or ("dung java java snippets"))) or ("locating bug core snippets"))~.
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