Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"van hanh con snippets" » "van hanh code snippets", "van thanh con snippets", "ban hanh con snippets", "van anh con snippets", "van hanh cong snippets", "van thanh cong snippets", "van nhanh 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 hanh con 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 hanh con snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
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