Perhaps you should try some spelling variations:
"can cau doan snippets" » "can cau code snippets", "can chan doan snippets", "can cac doanh snippets", "can cao doanh snippets", "van cau doan snippets", "ban cau doan snippets", "ca cau doan snippets"
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("python using java snippets") or ("can cau doan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("can cau doan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( can cau doan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("can cau doan snippets"))) or ("locating bug core snippets"))*.