Perhaps you should try some spelling variations:
"hoi doi cong snippets" » "hoi doi code snippets", "hoi doi song snippets", "hoi noi cong snippets", "hoi moi cong snippets", "hoi doai cong snippets", "hoc doi cong snippets", "hoa doi 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 ("hoi doi 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 ("hoi doi cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoi doi cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoi doi cong snippets"))) or ("locating bug core snippets"))*.