Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"ngoc toan ha snippets" » "ngoc tuan ha snippets", "ngoc tan ha snippets", "ngoc thanh ha snippets", "ngoc toan nha snippets", "ngoc toan ham snippets", "ngoc toan kha snippets", "ngoc toan ha 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: (((("ngoc toan ha snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc toan ha snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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