Perhaps you should try some spelling variations:
"huu thu canh snippets" » "huu thu code snippets", "huu thuc hanh snippets", "huu thu cong snippets", "huu thu ban snippets", "huu thuc canh snippets", "huu nhu canh snippets", "cuu thu canh 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 ("huu thu canh snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("huu thu canh snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( huu thu canh snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("huu thu canh snippets"))) or ("locating bug core snippets"))*.