Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using sat snippets" » "python using data snippets", "python using a snippets", "python using raw snippets"
"bac khai pha snippets" » "bac dai pha snippets", "bac ha pha snippets", "bac thay pha snippets", "bac kham pha snippets", "bac khai thac snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("bac khai pha snippets") or ("python using sat snippets"))) or ("locating bug core snippets"))~.
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