Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"liu dinh duc snippets" » "luu dinh duc snippets", "gia dinh duc snippets", "vu dinh duc snippets", "liu minh duc snippets", "liu ninh duc snippets", "liu tinh duc snippets", "liu dinh duc 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: (((("liu dinh duc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("liu dinh duc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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