Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"duc duat cau snippets" » "duc duat code snippets", "duc luat cau snippets", "duc dai cau snippets", "duc dung cau snippets", "duc dat cau snippets", "duc quan cau 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: (((("duc duat cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("duc duat cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( duc duat cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
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