Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"phai va phuc snippets" » "phi va phuc snippets", "pham va phuc snippets", "phap va phuc snippets", "phai van phuc snippets", "phai va thuc snippets", "phai xa phuc snippets", "phai va phuc 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: (((("phai va phuc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phai va phuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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