Perhaps you should try some spelling variations:
"cau hoc code snippets" » "cau hoc co snippets", "cau hoc cong snippets", "cau hoc de snippets", "cau hoi code snippets", "cau hoa code snippets", "cao hoc code snippets", "cau hoc code slippers"
"python using a snippets" » "python using a 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: (((("python using a snippets") or ("cau hoc code snippets"))) or ("locating bug code snippets"))~.
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