Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pha cua xac slippers" » "phat cua xac slippers", "phai cua xac slippers", "pham cua xac slippers", "pha cua cac slippers", "pha cua bac slippers", "pha cuu xac slippers", "pha cua xac slippery", "pha cua 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: (((("pha cua 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: (((("pha cua xac slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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• Adding a wildcard symbol may retrieve word variants: (((("pha cua xac slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.