Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"doanh cao li snippets" » "doanh co li snippets", "doanh bao li snippets", "doanh cho li snippets", "doanh dao li snippets", "doanh hao li snippets", "doanh tao li snippets", "doanh cao 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: (((("doanh cao 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: (((("doanh cao li snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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