Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hoc cong xac slippers" » "hoc co xac slippers", "cac cong xac slippers", "hoc dung xac slippers", "hoc cong tac slippers", "hoc cong xay slippers", "hoc cong cac slippers", "hoc cong xac slippery", "hoc cong xac grippers"
"locating bug code snippets" » "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: (((("hoc cong xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("hoc cong xac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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