Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"xac cay hung snippets" » "xac cam hung snippets", "xac cay rung snippets", "xac cay hong snippets", "cac cay hung snippets", "tac cay hung snippets", "xac cao hung snippets", "xac cay hung 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: (((("xac cay hung snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("xac cay hung snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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