Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"dung len hoi snippets" » "dung len code snippets", "dung nen hoi snippets", "dung le hoi snippets", "dung luan hoi snippets", "dung len choi snippets", "dung len thoi snippets"
"python using data snippets" » "python using java snippets", "python using sat snippets", "python missing data snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

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