Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using raw snippets" » "python using real snippets", "python using a snippets", "python using low snippets"
"ban khai pha snippets" » "ban khi pha snippets", "ban thai pha snippets", "dan khai pha snippets", "ban kham pha snippets", "ban khai thac snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("ban khai pha snippets") or ("python using raw snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban khai pha snippets") OR ("python using raw snippets"))) OR ("locating bug core snippets")).
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