Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"cung thu vuc snippets" » "cuong thu vuc snippets", "ung thu vuc snippets", "dung thu vuc snippets", "cung khu vuc snippets", "cung thu tuc snippets", "cung thu duc snippets"

Try widening your search to All Fields.

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