Perhaps you should try some spelling variations:
"hoi chi cong snippets" » "hoi chi code snippets", "hoi thi cong snippets", "hoi cho cong snippets", "hoi phi cong snippets", "hoi chiu cong snippets", "ho chi cong snippets", "hop chi 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 chi 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 chi cong snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( hoi chi cong snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("hoi chi cong snippets"))) or ("locating bug core snippets"))*.