Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van phu cong snippets" » "van phu code snippets", "van thu cong snippets", "van khu cong snippets", "van phi cong snippets", "san phu cong snippets", "van phung cong snippets", "van phan cong snippets"
"python using java snippets" » "python using data snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("van phu cong snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("van phu cong snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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