Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"duc doi kinh snippets" » "duc do kinh snippets", "duc doi dinh snippets", "duc doi tinh snippets", "duc dai kinh snippets", "duc loi kinh snippets", "luc doi kinh snippets", "duc doi kinh 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: (((("duc doi kinh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc doi kinh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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