Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets", "python using java slippers"
"tac van phuc snippets" » "tac van phuoc snippets", "tac van phu snippets", "tac van khuc snippets", "tac vang phuc snippets", "cac van phuc snippets", "tac va phuc snippets", "tac van 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: (((("tac van 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: (((("tac van phuc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
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