Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"diep dinh li snippets" » "diep tinh li snippets", "hiep dinh li snippets", "diep ninh li snippets", "diep dinh loi snippets", "diep sinh li snippets", "diep dinh vi snippets", "diep dinh li 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: (((("diep dinh li snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diep dinh li snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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