Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"cho san ngan snippets" » "cho van ngan snippets", "cho dan ngan snippets", "cho sau ngan snippets", "cho can ngan snippets", "ho san ngan snippets", "cho sinh ngan snippets", "cho san ngan 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: (((("cho san ngan snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho san ngan snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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