Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van han cho snippets" » "van han code snippets", "van hanh cho snippets", "van phan cho snippets", "van nhan cho snippets", "van hang cho snippets", "van han che snippets", "van san cho 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 han cho 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 han cho snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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