Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"lin van dinh snippets" » "lin van minh snippets", "lin van dich snippets", "lin va dinh snippets", "lan van dinh snippets", "luan van dinh snippets", "dinh van dinh snippets", "lin van dinh 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: (((("lin van dinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lin van dinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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