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