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