Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"nin tang van snippets" » "nen tang van snippets", "ninh mang van snippets", "nin toan van snippets", "nin dang van snippets", "nin hoang van snippets", "nin trong van snippets"

Try widening your search to All Fields.

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