Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"nhan dot van snippets" » "nhan dat van snippets", "nhay dot van snippets", "nhan dong van snippets", "nhan do van snippets", "nhan doi van snippets", "nhan doan van snippets", "nhan dot van slippers"
"locating bug code snippets" » "locating bug code slippers", "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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