Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung dot pha snippets" » "dung dat pha snippets", "dung doi pha snippets", "dung mot pha snippets", "dung dot phan snippets", "dung dot pham snippets", "dung dot phap snippets"

Try widening your search to All Fields.

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