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 vuc snippets" » "ung thu vuc snippets", "dung phu vuc snippets", "dung thi vuc snippets", "dung khu vuc snippets", "dung thu tuc snippets", "dung thu duc snippets"

Try widening your search to All Fields.

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