Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"van trinh su slippers" » "van thinh su slippers", "van tinh su slippers", "dan trinh su slippers", "van trinh tu slippers", "van trinh san slippers", "van trinh cau slippers", "van trinh su slippery", "van trinh su 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: (((("van trinh su slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van trinh su slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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