Perhaps you should try some spelling variations:
"learning hoi tran snippets" » "learning from tran snippets", "learning _ tran snippets", "learning a tran snippets", "learning hoi trac snippets", "learning thoi trang snippets", "learning hoi thanh snippets", "learning hoi tran slippers"
"creating _ a snippets" » "creating _ a slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("learning hoi tran snippets") or ("creating _ a snippets"))) or ("locating bug code snippets"))~.
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