Perhaps you should try some spelling variations:
"toc su cuong snippets" » "toc su code snippets", "toc su tuong snippets", "toc su cong snippets", "toc su luong snippets", "hoc su cuong snippets", "toc pu cuong snippets", "tac su cuong 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 ("toc su cuong snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("toc su cuong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( toc su cuong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("toc su cuong snippets"))) or ("locating bug core snippets"))*.