Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"dung thu duc snippets" » "ung thu duc snippets", "dung phu duc snippets", "dung thi duc snippets", "dung thu tuc snippets", "dung tho duc snippets", "dung thu muc snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("dung thu duc 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 thu duc snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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